WalkthroughtheAmazonrainforesttodayandyouwillfinditstea...
問題詳情:WalkthroughtheAmazonrainforesttodayandyouwillfinditsteamy,warm,dampandthick.Butifyouhadbeentherearound15,000yearsago,duringthelasticeage,wouldithavebeenthesame?Formorethan30years,scientistshav...