CAHOKIA MOUNDS, Illinois (Scheerpost) - I am standing atop a 100-foot-high temple mound, the largest known earthwork in the Americas built by prehistoric peoples. The temperatures, in the high 80s, along with the oppressive humidity, have emptied the park of all but a handful of visitors. My shirt is matted with sweat. I look out from the
克里斯·赫奇斯:我们不是第一个崩溃的文明,但我们可能是最后一个
过去文明的考古遗迹,包括伊利诺伊州史前卡霍基亚神庙的遗迹,都在提醒我们的命运。