The ancient North American city of Cahokia had as its focal point a feature now known as Monks Mound, a giant earthwork surrounded on its north, south, east and west by large rectangular open areas. A new study of the north plaza suggest it was almost always underwater, calling into question earlier interpretations of the north plaza’s role in Cahokian society.
Click here for original story, North ‘plaza’ in Cahokia was likely inundated year-round
Source: ScienceDaily