Introduction to the Han Tombs: The Han Tombs are the second most popular attraction in Binggou. There are hundreds of Han Dynasty tombs distributed in Binggou, which are the tombs of border guards from the Qin to the Western Han Dynasty. Four tombs were excavated in the scenic area and the Han Tomb Palace was built. The four tombs in the underground palace are connected by a 150-meter passage. Among them, Tomb No. 1 with a square wooden structure is rare in China and has high archaeological research value.