Bengbu, referred to as clam, is also called Pearl City. It is a city under the jurisdiction of Anhui Province. The first prefecture-level city in Anhui Province (New Year's Day 1947) has four municipal districts, namely bengshan district, Yuhui District, Huaishang District and Longzihu District, which govern Huaiyuan County, Guzhen County and Wuhe County. During the Republic of China, it was the residence of Anhui military government and Fengyang county government.
Bengbu has a total area of 5,952 square kilometers and a total population of more than 3.76 million people. The mountains and rivers are connected and the four seasons are distinct. It has a long history and splendid culture. According to historical records, Bengbu is "the place where pearls were picked in ancient times", so it is called "Pearl City".
Bengbu, an important comprehensive industrial base in Anhui Province, is located at the geographical boundary between north and south of China, the first line of Qinling and Huaihe River, the middle reaches of Huaihe River, and the intersection of beijing-shanghai railway and Huainan railways. It is also the intersection of Beijing-Shanghai high-speed railway, Beijing-Fuzhou high-speed railway, Harbin-Shanghai high-speed railway and Beijing-Taiwan high-speed railway [2-3]. As an important comprehensive transportation hub in China, it is known as the central city in northern Anhui and the Pearl of Huaihe River.