Was Jingxian's home in Daxing, Beijing originally a mountain?

The address of Jingxian Jiayuan Community in Daxing, Beijing is 200 meters south of the intersection of Simon Road and Li Qing Road in Daxing District, Beijing, not on the mountain.

Daxing District, which belongs to Beijing, is located in the southern suburb of Beijing and the northeast of North China Plain. It is connected with Fengtai District and Chaoyang District in the north, across the Yongding River from Fangshan District in the west, adjacent to Tongzhou District in the east, and bordered by Langfang City and Zhuozhou City in Hebei Province in the south and southwest.