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
Environmental issues in China the road and car ownership reached 154 million. China currently has the world's largest population but population growth is very slow in part due to the one-child policy. The environmental issues are also negatively affecting the people living in China. Because of the emissions created from the factories, the number of people diagnosed with cancer in China has increased. Lung cancer is the most common form of cancer that is plaguing the population. In 2015, there were more than 4.3 million new cancer cases in the country and more than 2.8 million people died from the disease. According to a