How to cross the North Square overpass of Chongqing North Railway Station

Way of crossing overpass in North Square of Chongqing North Railway Station. Existing channel connecting South Square and North Square. The temporary passage is located under platform 9 of North Square of Chongqing North Railway Station. Chongqing, also known as Bayu, Shancheng, Du Yu, Du Qiao and Wudu, is a municipality directly under the Central Government of the People's Republic of China, a national central city, a megacity, a world hot spring capital, an economic center, a financial center and an innovation center in the upper reaches of the Yangtze River, and a political, cultural, scientific, technological, educational and artistic center and an international metropolis positioned by the State Council.