Archaeological findings show that the underground palace covers an area of about 6.5438+0.8 million square meters, and the depth of the center point is about 30 meters. The cemetery is centered on mounds and surrounded by many funerals with rich connotations and unprecedented scale. In addition to the well-known terracotta warriors and bronze chariots and horses tombs, more than 600 large-scale Shijiakeng, Baixi figurine pits, civilian figurine pits and tombs have been discovered, and 654.38+10,000 pieces of cultural relics have been unearthed in the archaeological work of the Qin tombs for decades. The center of the underground palace of the mausoleum is the place where Qin Shihuang's coffin is placed. There are more than 400 burial pits and graves around the mausoleum, covering an area of 56.25 square kilometers. The main tombs are bronze chariot pits, horse pits, rare birds and animals pits, stable pits and terracotta warriors and horses pits. Over the years, more than 50,000 important historical relics have been unearthed. A group of painted bronze chariots and horses unearthed in 1980 are the largest, most gorgeous, most lifelike and complete ancient bronze chariots and horses found in China so far, and are known as "the crown of bronze". A group of painted bronze chariots and horses unearthed in 1980 are the largest, most gorgeous, most lifelike and complete ancient bronze chariots and horses found in China so far, and are known as "the crown of bronze". The treasure buried underground for more than 2,000 years surfaced, known as "the eighth wonder of the world". Three terracotta warriors and horses pits have been excavated, which are arranged in a "needle" shape from west to east. There are more than 8,000 terracotta warriors and horses and more than 40,000 bronze weapons in the pit.