Qin dynasty - A stone rubbing of a carved relief from the Han dynasty depicting Jin Ke's assassination attempt on Qin Shi Huang; Jin Ke (left) is held by one of Qin Shi Huang's physicians (left, background). The dagger used in the assassination attempt is seen stuck in the pillar. Qin Shi Huang (right) is seen holding an imperial jade disc. One of his soldiers (far right) rushes to save his emperor.