- 問題詳情:KamalMeattle,inNewDelhi,India,grows400plantsinhisofficebuilding’sgreenhousetohelpcleanitsindoorair.OntheroofofanofficebuildinginIndia’scapital,theworld’ssmoggestcity,KamalMeattlehasaspecialwayofcleaningtheair:agreenhousewith400commonplants...
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