Tianjin is the largest coastal city in northern China. In terms of urban population, Tianjin is the fourth largest in China, after Shanghai, Beijing, and Guangzhou. In terms of administrative area population, Tianjin ranks fifth in Mainland China. The walled city of Tianjin was built in 1404. As a treaty port since 1860, Tianjin has been a major seaport and gateway to Beijing. During the Boxer Rebellion the city was the seat of the Tianjin Provisional Government. Under the Qing dynasty and the Republic of China, Tianjin became one of the largest cities in the region. At that time, numerous European-style
High-speed rail in China detail is an almost impossible job for inspectors. Despite having the second largest route-kilometer growth after Turkey since 2017, whether constructing high-speed railways in China is economically efficient has been a hot debate. Conservative scholars and officials are worried about the profitability of high-speed railway construction, and its influence on low income population. While all high-speed rails built on the eastern part of China except Beijing-Tianjin high-speed rail have started to make positive profit since 2015, the middle-west railways are constantly loss-making and far from being even possible to pay their cost off. Zhengzhou–Xi'an high-speed railway is estimated to run