Introduction to Langdang Ridge: Langdang Ridge is also known as Langxun Ridge and its ancient name is Monbi Ridge. Originally refers to the mountains to the east of Tianzhu Shandong, west of Longjing Village, and northeast of Meijiawu Village. Nowadays, it is customary to call the hills from Wuyun Mountain in the south to Tianzhu in the north "Langdang Ridge". Because the hills are winding for several kilometers, it is also known as "Ten Miles of Langdang".