The First Pyramids of the Americas & the Indo-Europeans of the Steppes

A History of Mankind (9)

Outside of the Fertile Crescent and adjacent Egypt, urban societies emerged along quite distinct paths in Peru, China and the Indus River valley just as the climate took a turn for the worse, while hunter-gathering remained the sole mode of life pretty much elsewhere.

In North America, hunter-gatherers built ceremonial complexes used on a seasonal basis,…