Many millennia ago, the tides turned for ancient Sumerians who built the first civilization - literally. Rising in southern Mesopotamia around 6,000 years ago, Sumer bridged a network of city-states ...
In this four-part series, explore the seedbed civilizations of Mesoamerica, the Middle East and the Indus Valley to learn how and why early humans, who had been mobile foragers, created villages, ...