America's Hidden Pyramid City

2017
45:02

June 5, 2016

Expired 3.0 4 x
Over a thousand years ago a great civilisation built a thriving metropolis in the heart of North America. It was larger than Paris and London at the time and was known as Cahokia. It’s one of the best kept secrets of western archaeology, but using cutting-edge technologies, its mysteries are finally unravelled.
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