- 問題詳情: GregKloehn,anartistinOakland,Californiaisusinghisskillstohelpthehomeless.Hebuildsverysmallsheltersthatmakelifeonthestreetsalittlemorecomfortable.Thestructuresofferthehomelesssomesafetyandprotectionfrombadweather.Eachlittlehousealsohaswheels...
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