In central China, a vast underground mausoleum conceals a life-size terracotta army of cavalry - 8,000 strong - all built to serve China's first emperor, Qin Shi Huang Di, in the afterlife. Lost and forgotten for over 2,200 years, this clay army stands poised to help the First Emperor rule again beyond the grave.

Air Date: Wed, Aug 4, 2021 9:00 PM