The Mausoleum of the First Qin Emperor is an ancient burial site located in Xi'an, China. It was built for Qin Shi Huang, the first emperor of a unified China, who ruled from 221 to 210 BCE. The mausoleum is part of a larger complex that includes the famous Terracotta Army, which consists of thousands of life-sized clay soldiers, horses, and chariots meant to protect the emperor in the afterlife. The mausoleum itself remains largely unexcavated, but it is believed to contain numerous treasures and artifacts. The site is surrounded by a large earthen mound and is part of the Qin Dynasty heritage, reflecting the emperor's power and the significance of burial practices in ancient Chinese culture.