Introduction to the Mausoleums of the Han and Liang Kings in Mangdang Mountain: The Tombs of the Han and Liang Kings in Mangdang Mountain were first buried in Mangdang Mountain in 144 BC. After King Liu Wu of Liang Xiao was first buried in Mangdang Mountain, all the kings of the Liang Kingdom chose the mountain to be buried. It lasted for about 150 years and lasted for eight generations and nine kings. More than a year. The mausoleum group was announced by the State Council as a national key cultural relic protection unit in 1996.