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
Agriculture in China the leading producer of cotton, which is grown throughout, but especially in the areas of the North China Plain, the Yangtze river delta, the middle Yangtze valley, and the Xinjiang Uygur Autonomous Region. Other fiber crops include ramie, flax, jute, and hemp. Sericulture, the practice of silkworm raising, is also practiced in central and southern China. China has a large livestock population, with pigs and fowls being the most common. China’s pig population and pork production mainly lie along the Yangtze River. In 2011, Sichuan province had 51 million pigs (11% of China’s total supply). In rural western China, sheep,