Qingxi Mausoleum.

Qingxi Mausoleum is located at the foot of Yongning Mountain, 15 km west of Lianggezhuang, Yixian County, Baoding City, Hebei Province. The mausoleum is the burial site of four emperors of the Qing Dynasty. It was built in the eighth year of the Yongzheng period (1730) and completed in the fourth year of the Republic of China (1915), taking 185 years to complete. Qingxi Mausoleum is the largest, best-preserved, and most complete ancient royal mausoleum complex, covering an area of more than 800 square kilometers, with a building area of more than 50,000 square meters, more than 1,000 palaces, and more than 100 stone carvings and stone buildings.