translation.en: I think all of us have been interested, at one time or another, in the romantic mysteries of all those societies that collapsed, such as the classic Maya in the Yucatan, the Easter Islanders, the Anasazi, Fertile Crescent society, Angor Wat, Great Zimbabwe and so on. And within the last decade or two, archaeologists have shown us that there were environmental problems underlying many of these past collapses.
translation.zh: 社会崩溃之谜，我相信各位都曾对此感过兴趣， 那些曾经存在，但后来崩溃的社会， 如玛雅文明，尤卡坦半岛上的古典玛雅文明，复活节岛文明， 阿纳萨齐文明，新月沃地文明，吴哥文明，大津巴布韦文明等等。 而在最近的10到20年里， 考古学家们向我们展示了导致这些社会崩溃的 鲜为人知的的环境原因。