Zhenjiang belongs to a third-tier city. Zhenjiang is located in the southwest of Jiangsu Province, the east coast of China and the south of Jiangsu Province. Runzhou was called in ancient times and was the capital of Jiangsu Province during the Republic of China. Zhenjiang is a third-tier city. It is the center of the northern wing of the Yangtze River Delta, the core city of Nanjing metropolitan area and an important part of the national modernization demonstration zone in southern Jiangsu. The Yangtze River and the Beijing-Hangzhou Grand Canal meet here to coordinate the "river overpass" in China, which is known as "the first mountain in the world". Zhenjiang, located in the east of China and the southwest of Jiangsu Province, is a famous cultural city with a history of more than 3,000 years. The city is rich in historical and cultural heritage and beautiful natural landscape, and it is a tourist attraction integrating history, culture, nature and food.