Recently, 10 KWNC students took part in the fourth “College Students’ Exchange Camp between Macau and Jiangsu”, during which they paid visits to two historical cities, Nanjing and Huaian.The delegation visited the "Sun Yatsen Mausoleum" in Nanjing and paid their respects to Dr. Sun Yatsen, the forerunner of the democratic revolution. Later on, they visited the "Presidential Palace (Nanjing)", which is the remains of modern architecture, to deepen their understanding of the modern history of our motherland. On the way to Huaian, the delegation visited the “Purple Mountain Observatory” (the first modern astronomical research institution established by the Chinese people). In addition, they visited the “Chishan Lake National Wetland Park” at the junction of Jiangsu and Anhui. The participants passed through the lotus pond and the “largest Chinese taxodium ascendens forest in east China” by boat, and they were admired by the rich local ecology and abundant forest bird resources. Afterwards, the delegation paid their respects to the former residence of ZhouEnlai through visiting his memorial hall in Huaian, and reminisced about Zhou’s life and sentiment. On the last day, Professor Zhouwei of Huaiyin Normal University, introduced the history and prospect of the grand canal for the delegations.Although the trip lasted for only one week, it was rich in content, which has made a positive impact on promoting young people from Hong Kong and Macao to understand During the sharing session, our college student representative WuDongni said that the exchange camp organized students to visit many historical sites, take a night cruise to enjoy the beautiful scenery, listen to a series of lectures, and experience a day's life in Huaian led by volunteers from Huaiyin Normal Uuniversity. Students were happy to understand the cultural charm of Nanjing and Huaian in a more dynamic way, and also felt happy to have participated in this meaningful exchange camp for college students.