Qinhuangdao, Hebei, an AAAAA tourist attraction, is called Shanhaiguan, the best customs in the world. Because it is close to the mountains and connects to the sea, it is named Shanhaiguan. Shanhaiguan has a long history of human culture. In the 14th year of Hongwu in the Ming Dynasty, Xu Da, the king of Zhongshan, was ordered to build a wall here. The scenic spot is a famous historical and cultural city and tourist summer resort with many places of interest, beautiful scenery and pleasant climate