What are the famous places of interest in Hebei Province?

Hebei Province is located in the coast of North China and Bohai Sea, so it is named because it is located in the north of the lower reaches of the Yellow River. As early as 5,000 years ago, the three ancestors of the Chinese nation, Huangdi, Yan Di and Chiyou, started the process of Chinese civilization from struggle to integration in Hebei. During the Spring and Autumn Period and the Warring States Period, Hebei belonged to Yan State and Zhao State, hence the name "Zhao Yan". During the Han and Jin Dynasties, Hebei and Youzhou were located in Hebei Road in Tang Dynasty, Zhongshu Province in Yuan Dynasty, Zhili in Ming Dynasty and Zhili in Qing Dynasty. I didn't call Hebei Province until 1928. The long history has left many places of interest for Hebei, including the City Han Group, which is famous for its unearthed jade clothes, and the Tangshan Hall and Cangyanshan Bridge in Nanxiang and Beixiang. The Great Wall here is the longest, best preserved and most representative building. Of course, the famous Shanhaiguan, the first pass in the world, adds a lot of color to the Great Wall here. Hebei Province, as an outing place for the royal family in the Qing Dynasty, has the largest royal classical garden in the Qing Dynasty-Waiba Temple, the largest group of royal temples in chengde mountain resort and China, and Mulan paddock, the royal hunting ground in the Qing Dynasty. At the same time, Qing Dongling and Qing Xiling, which are listed as world cultural heritage, are also located in Hebei Province.