- 问题详情:Itiswidelyacknowledgedthatcitieswithsomekindoffunctioningecosystemsmakeforbetterplacesforhumanstolive.Moreplantsandanimalsincitiesmakeforhappier,healthierpeople.AstudyconductedongreenspacesinSheffield,England,forinstance,revealedthatthegreate...
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