Zhenbei Terrace of the Great Wall

Zhenbei Terrace, also called the "No. 1 Terrace of the Great Wall", is located at top of Hongshan Mountain, which is five kilometers to the north of Yulin city, Northwest China's Shaanxi province. 

Zhenbei Terrace [Photo/yl.gov.cn]

It is the largest and most majestic beacon tower on the Great Wall of the Ming Dynasty (1368-1644). The structure is square in shape and has four floors, with a total height of more than 30 meters.

Serving as an important transportation hub in ancient times, Zhenbei Terrace is one of the Three Wonders of the Chinese Great Wall, along with Shanhai Pass, in Qinghuangdao, North China's Hebei province, and Jiayu Pass, in Gansu province.