In response to Chinese President Xi Jinping's call for expanded US-China youth exchanges in 2023, Peking University launched its "China Deep Dive" program. On July 8 program participants began a tour of Beijing, Xi'an and Chengdu. (Produced by Liang Xiaojian, Lin Rui and Liu Haozhe. Interns Wang Yuqi, Liang Yaran, Li Yuan, Zhang Chenxu, Zhou Kaihua and Li Yunrou contributed to this video)