Peking University Campus, also known as Yanyuan, is adjacent to Yuanmingyuan and Summer Palace. It used to be the "Garden of Gifts" of the Ming and Qing Dynasties. The shadow of the lake tower in the unnamed lake area, flying pavilions and flowing Dan, and inscriptions can be seen everywhere; The teaching area is magnificent, and the boulevard and ivy-covered gables are unforgettable. "Mountain light outside the threshold, clouds outside the window", this is a good place to study.