Because the twin peaks stand upright and look like harm, it is named. There are more than ten historical sites on the mountain, such as Bi Xia Yuan Jun Temple, Jade Emperor Pavilion in Qing Dynasty, Nantianmen, Wang Yao Temple and Monument Pavilion, all of which were rebuilt by Tang Jianming. At that time, it was one of the Taoist holy places and economic and cultural exchange centers in JD.COM. Every year in the early April of the lunar calendar, there is a grand temple fair, where believers from all directions gather together and merchants gather, as well as folk cultural activities such as walking on stilts, playing with lions and dancing dragon lanterns. Emperor Kangxi and Emperor Qianlong of the Qing Dynasty also came here to offer pilgrimages. After the 1940s, the temples on the mountain were destroyed by the war. 1987, villages and towns raised funds to rebuild Bi Xia Yuan Jun Temple and other temples and restore traditional temple fairs.
Besides, the water in Liu's shop. The lake river that runs through the whole territory of Liujiadian, once known as CuO River, flows from north to south. It is the second largest river in Pinggu County and the largest tributary of the ditch river in Pinggu County. Originated at the northern foot of Nanshan in Taibao Village, Dongshaoqu Township, Miyun County, it flows into Pinggu County from the south exit of Taibao Village, flows through Liujiadian, Yukou, Lechenwu, Daxing Village, Wangxinzhuang, Pinggu Town, Machangying and other towns, and flows into the ditch river southeast of Qianruiying Village. It's 40.7 kilometers long, 13 kilometers long outside China and 27.7 kilometers long inside China. There is water all the year round in the west section from Beidian Village to Hujiadian Village, and the scenery is rotten deer.