Research Reveals Water Management and Climate Change in Ancient Maya City

Meticulous mapping and excavations at an ancient cave in the Yucatan Peninsula are revea;omg how the city of Xcoch - dating from around 800 BC and featuring a great pyramid and other elaborate architecture – was built above one of the few cave systems in the region that penetrates the permanent water table. Mapping and excavations of the ancient city revealed a network of cisterns and reservoirs that fed the community’s water supply.  The city lies in a region where the is no surface water.

http://www.uc.edu/news/NR.aspx?id=15166