The Casarabe people lived in the most fertile area of northern Bolivia in the period between 500 and 1400 AD.
They created a network of cities and towns with roads, sidewalks, reservoirs and canals. Still found, mounds, places of ceremonies and other sacred places.
It is also noteworthy that there were pyramids.
They even built a hydrological system for their crops.
[Source: http://www.hellasjournal.com]
