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  <xs:element id="art_SaleLeasebackTransactionNumberOfUnits" abstract="false" name="SaleLeasebackTransactionNumberOfUnits" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="art_NumberOfFacilitiesPurchasedFromFailedLeaseBackFinancingObligations" abstract="false" name="NumberOfFacilitiesPurchasedFromFailedLeaseBackFinancingObligations" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="art_SaleLeasebackTransactionNetBookValueBeforeSale" abstract="false" name="SaleLeasebackTransactionNetBookValueBeforeSale" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="art_SaleLeasebackTransactionTermofLease" abstract="false" name="SaleLeasebackTransactionTermofLease" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="art_SaleLeasebackTransactionConsiderationReceivedforImprovements" abstract="false" name="SaleLeasebackTransactionConsiderationReceivedforImprovements" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="art_SaleLeasebackTransactionPercentageofUsefulLifeWhereControlExercised" abstract="false" name="SaleLeasebackTransactionPercentageofUsefulLifeWhereControlExercised" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="art_SaleLeasebackTransactionPurchasePriceOptionPercentage" abstract="false" name="SaleLeasebackTransactionPurchasePriceOptionPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="art_SaleLeasebackTransactionNumberOfUnitsAcquired" abstract="false" name="SaleLeasebackTransactionNumberOfUnitsAcquired" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
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  <xs:element id="art_SaleLeasebackTransactionRentIncreaseAsAPercentageOfConsumerPriceIndex" abstract="false" name="SaleLeasebackTransactionRentIncreaseAsAPercentageOfConsumerPriceIndex" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="art_SaleLeasebackTransactionRentIncreasePercentage" abstract="false" name="SaleLeasebackTransactionRentIncreasePercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="art_SaleLeasebackTransactionNumberofExtensions" abstract="false" name="SaleLeasebackTransactionNumberofExtensions" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="art_SaleLeasebackTransactionExtensionPeriod" abstract="false" name="SaleLeasebackTransactionExtensionPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="art_SaleLeasebackTransactionNumberOfFacilitiesExited" abstract="false" name="SaleLeasebackTransactionNumberOfFacilitiesExited" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="art_WarehousesUnderSaleLeasebackTransactionsMember" abstract="true" name="WarehousesUnderSaleLeasebackTransactionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="art_LeaseRemainingLeaseTerm" abstract="false" name="LeaseRemainingLeaseTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="art_LesseeLeaseRenewalTerm" abstract="false" name="LesseeLeaseRenewalTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="art_FinanceLeaseCost1Abstract" abstract="true" name="FinanceLeaseCost1Abstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="art_CashFlowLesseeAbstract" abstract="true" name="CashFlowLesseeAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="art_RightOfUseAssetObtainedInExchangeForLeaseLiabilityAbstract" abstract="true" name="RightOfUseAssetObtainedInExchangeForLeaseLiabilityAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
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  <xs:element id="art_LeasesWeightedAverageDiscountRateAbstract" abstract="true" name="LeasesWeightedAverageDiscountRateAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="art_LeaseLiabilityPaymentsDueAbstract" abstract="true" name="LeaseLiabilityPaymentsDueAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="art_LeaseLiabilityDueYearOne" abstract="false" name="LeaseLiabilityDueYearOne" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="art_LeaseLiabilityPaymentsDueYearTwo" abstract="false" name="LeaseLiabilityPaymentsDueYearTwo" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="art_LeaseLiabilityPaymentsDueYearThree" abstract="false" name="LeaseLiabilityPaymentsDueYearThree" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="art_LeaseLiabilityPaymentsDueYearFour" abstract="false" name="LeaseLiabilityPaymentsDueYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="art_LeaseLiabilityPaymentsDueYearFive" abstract="false" name="LeaseLiabilityPaymentsDueYearFive" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="art_LeaseLiabilityPaymentsDueAfterYearFive" abstract="false" name="LeaseLiabilityPaymentsDueAfterYearFive" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="art_LeaseLiabilityUndiscountedExcessAmount" abstract="false" name="LeaseLiabilityUndiscountedExcessAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="art_LeaseLiability" abstract="false" name="LeaseLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="art_FairValueMeasurementsRecurringValueMeasurementAbstract" abstract="true" name="FairValueMeasurementsRecurringValueMeasurementAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
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  <xs:element id="art_TimebasedRestrictedStockUnitsAwardedAsPartofAnnualCompensationMember" abstract="true" name="TimebasedRestrictedStockUnitsAwardedAsPartofAnnualCompensationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="art_AmericoldRealtyTrust2017EquityIncentivePlanMember" abstract="true" name="AmericoldRealtyTrust2017EquityIncentivePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="art_CommonStockPercentageOfSharesReservedForIssuance" abstract="false" name="CommonStockPercentageOfSharesReservedForIssuance" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="art_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsAggregateGrantDateFairValueOutstanding" abstract="false" name="SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsAggregateGrantDateFairValueOutstanding" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="art_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodGrantDateFairValue" abstract="false" name="SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodGrantDateFairValue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="art_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsMarketPerformanceAdjustment" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsMarketPerformanceAdjustment" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="art_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedNumber" abstract="false" name="SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedNumber" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
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  <xs:element id="art_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedWeightedAverageGrantDateFairValue" abstract="false" name="SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedWeightedAverageGrantDateFairValue" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
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  <xs:element id="art_MarketBasedOPUnitsMember" abstract="true" name="MarketBasedOPUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="art_SharebasedCompensationArrangementbySharebasedPaymentAwardTotalShareholderReturnPayoutPercentageMinimum" abstract="false" name="SharebasedCompensationArrangementbySharebasedPaymentAwardTotalShareholderReturnPayoutPercentageMinimum" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
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  <xs:element id="art_SharebasedCompensationArrangementbySharebasedPaymentAwardTotalShareholderReturnPayoutPercentageBelowThreshold" abstract="false" name="SharebasedCompensationArrangementbySharebasedPaymentAwardTotalShareholderReturnPayoutPercentageBelowThreshold" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
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  <xs:element id="art_GlobalIntangibleLowTaxIncomeDividend" abstract="false" name="GlobalIntangibleLowTaxIncomeDividend" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="art_OperatingLossCarryforwardsAcquiredThroughAcquisitions" abstract="false" name="OperatingLossCarryforwardsAcquiredThroughAcquisitions" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="art_OperatingLossCarryforwardsSubjectToExpiration" abstract="false" name="OperatingLossCarryforwardsSubjectToExpiration" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="art_OperatingLossCarryforwardsNotSubjectToExpiration" abstract="false" name="OperatingLossCarryforwardsNotSubjectToExpiration" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="art_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseEquityAwardsAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseEquityAwardsAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="art_EffectiveIncomeTaxRateReconciliationOtherAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationOtherAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="art_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseEquityAwardsPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseEquityAwardsPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="art_DeferredTaxAssetsOperatingLossAndTaxCreditCarryforwards" abstract="false" name="DeferredTaxAssetsOperatingLossAndTaxCreditCarryforwards" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="art_DeferredTaxAssetsLeasingObligations" abstract="false" name="DeferredTaxAssetsLeasingObligations" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="art_AustriaPlanMember" abstract="true" name="AustriaPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="art_SuperannuationMember" abstract="true" name="SuperannuationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="art_DefinedBenefitPlansNumberOfPlans" abstract="false" name="DefinedBenefitPlansNumberOfPlans" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="art_DefinedBenefitPlanAverageFutureServicePeriod" abstract="false" name="DefinedBenefitPlanAverageFutureServicePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="art_MultiemployerPlanCollectiveBargainingArrangementPercentageofEmployersCollectiveBargainingParticipantsCovered" abstract="false" name="MultiemployerPlanCollectiveBargainingArrangementPercentageofEmployersCollectiveBargainingParticipantsCovered" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="art_GovernmentSponsoredPlansContributions" abstract="false" name="GovernmentSponsoredPlansContributions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="art_NationalServiceRelatedPensionPlanMember" abstract="true" name="NationalServiceRelatedPensionPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="art_DefinedBenefitPlanBenefitObligationServiceCost" abstract="false" name="DefinedBenefitPlanBenefitObligationServiceCost" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="art_OtherComprehensiveIncomeLossDefinedBenefitPlanForeignCurrencyTranslationGainLoss" abstract="false" name="OtherComprehensiveIncomeLossDefinedBenefitPlanForeignCurrencyTranslationGainLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="art_DefinedBenefitPlanExpectedFutureBenefitPaymentThereafter" abstract="false" name="DefinedBenefitPlanExpectedFutureBenefitPaymentThereafter" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="art_CentralPensionFundoftheInternationalUnionofOperatingEngineersandParticipatingEmployersMember" abstract="true" name="CentralPensionFundoftheInternationalUnionofOperatingEngineersandParticipatingEmployersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="art_CentralStatesSESWAreasHealthandWelfarePensionPlansMember" abstract="true" name="CentralStatesSESWAreasHealthandWelfarePensionPlansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="art_NewEnglandTeamstersandTruckingIndustryPensionPlanMember" abstract="true" name="NewEnglandTeamstersandTruckingIndustryPensionPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="art_I.U.O.EStationaryEngineersLocal39PensionFundMember" abstract="true" name="I.U.O.EStationaryEngineersLocal39PensionFundMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="art_WesternConferenceofTeamstersPensionFundMember" abstract="true" name="WesternConferenceofTeamstersPensionFundMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="art_MinneapolisFoodDistributingIndustryPensionPlanMember" abstract="true" name="MinneapolisFoodDistributingIndustryPensionPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="art_WWECLocal863PensionFundMember" abstract="true" name="WWECLocal863PensionFundMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="art_MultipleEmployerPlanAccountedForAsMultiemployerPlanWithdrawalObligationRepaymentPeriod" abstract="false" name="MultipleEmployerPlanAccountedForAsMultiemployerPlanWithdrawalObligationRepaymentPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
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  <xs:element id="art_AtlantaEastPointGA2Member" abstract="true" name="AtlantaEastPointGA2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="art_AtlantaGatewayGA2Member" abstract="true" name="AtlantaGatewayGA2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="art_AtlantaSkygateGA2Member" abstract="true" name="AtlantaSkygateGA2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="art_AtlantaSouthgateGA2Member" abstract="true" name="AtlantaSouthgateGA2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="art_AtlantaTradewaterGA2Member" abstract="true" name="AtlantaTradewaterGA2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="art_AtlantaWestgateGA2Member" abstract="true" name="AtlantaWestgateGA2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="art_AtlantaGACorporateMember" abstract="true" name="AtlantaGACorporateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="art_EaganMN2Member" abstract="true" name="EaganMN2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="art_LancasterPA2Member" abstract="true" name="LancasterPA2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="art_LaPorteTX2Member" abstract="true" name="LaPorteTX2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="art_LoganTownshipNJ2Member" abstract="true" name="LoganTownshipNJ2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="art_MilwaukieOR2Member" abstract="true" name="MilwaukieOR2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="art_NampaID2Member" abstract="true" name="NampaID2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="art_NorthLittleRockAR2Member" abstract="true" name="NorthLittleRockAR2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="art_Oxford2Member" abstract="true" name="Oxford2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="art_PascoWA2Member" abstract="true" name="PascoWA2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="art_PedricktownNJ2Member" abstract="true" name="PedricktownNJ2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="art_PendergrassGA2Member" abstract="true" name="PendergrassGA2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="art_PerryvilleMD2Member" abstract="true" name="PerryvilleMD2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="art_Phoenix2AZ2Member" abstract="true" name="Phoenix2AZ2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="art_PiedmontSC2Member" abstract="true" name="PiedmontSC2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="art_Piscataway120NJ2Member" abstract="true" name="Piscataway120NJ2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="art_PlainvilleCTMember" abstract="true" name="PlainvilleCTMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="art_PloverWI2Member" abstract="true" name="PloverWI2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="art_PortlandME2Member" abstract="true" name="PortlandME2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="art_RochelleILAmericoldDrive2Member" abstract="true" name="RochelleILAmericoldDrive2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="art_RochelleILCaron2Member" abstract="true" name="RochelleILCaron2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="art_Rockmart2Member" abstract="true" name="Rockmart2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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