Introduction to the burial pits: The core part of the park is the tombs of the Wu family of the King of Changsha in the Western Han Dynasty. The entire tomb is 30.3 meters long, of which the tomb passage is 10.7 meters long and 5.6 meters wide, and the tomb chamber is 19.6 meters long and 14.8 meters wide. Its funeral specifications and level are higher than Mawangdui Han Tomb.