"Mercury was known to the ancient Chinese and Indians,[2] and was found in Egyptian tombs that date from 1500 BC.[3] In China, India, and Tibet, mercury use was thought to prolong life, heal fractures, and maintain generally good health. China's first emperor, Qin Shi Huang Di — said to have been buried in a tomb that contained rivers of flowing mercury, representative of the rivers of China — was driven insane and killed by mercury pills (failing liver, poison, brain death) intended to give him eternal life.[4] "