Two thousand years ago, in a bid to conquer death itself, China’s first emperor Qin Shi Huang commissioned a city of the dead: a 49 sq km mausoleum guarded by an army of clay warriors, built to defend his tomb for eternity. When farmers near Xi’an unearthed the first clay head in 1974, they cracked open one of humanity’s greatest archaeological mysteries, with more than 8,000 Terracotta Warriors discovered over the last 50 years. Now, fragments of that dream of immortality rise again – this time in Perth, where the…