There is no such place as Huainan in Shaanxi. Huainan, located in the hinterland of East China and on the bank of Huaihe River, is an important city in north-central Anhui Province. Huaihe River is the geographical dividing line between north and south of China. Huainan is located in the transitional zone connecting east, west, north and south of China, with superior geographical position and convenient transportation. Huainan has a long history. The discovery of insect fossils in Huainan more than 800 million years ago pushed forward Darwin's view that life originated less than 600 million years ago in the Origin of Species for more than 200 million years. The anthropoid tooth fossils dating back more than 3 million years are the earliest in Asia. China Bagongshan National Geopark is rich in geological connotation, with ancient relics, which has high scientific research value and ornamental aesthetic value. Huainan is a young city, founded in 1952, with an area of 2 12 1 km2 and a population of 265,438+10,000. 1984 Huainan, together with Chongqing, Dalian, Qingdao, Wuxi and other cities, was approved by the State Council as a larger city and enjoyed local legislative power. 1985 was approved as an open city by the State Council.