Emperor Qin Shihuang alias Yingzhen, by 221 B.C., had annexed the six rival principalities, the Qi, the Chu, the Yan, the Han, the Zhao and the Wei, and established the first feudal empire in China's history. Emperor Qin Shihuang conscripted more than 700,000 convicts to build his mausoleum, immediately after he came to the throne, so as to ensure his peaceful, eternal sleep. It took 38 years to finish this project. These palaces stretched several hundred miles and he would seek pleasure from one palace to another. It has been determined that Qin