Zhugaolong is the southwestern slope ofLitoujian Mountain, where the ancestral tombs of the Sun family were located.Originally, some ancestors from the 14th to 16thgenerations of the Sun Family in Cuiheng Village were buried here. The tombs ofthe immediate relatives of the Sun Family in Cuiheng Village were alsorelocated here from Chongkou in July 1880 in the Qing Dynasty. There nowlieseven ancestral tombs of the Sun Family here.