On August 19, the fourth online youth Go video exchange tournament between Changshu and Muan County, South Korea, was held. Each city selected seven primary and secondary school students to compete in a team tournament format. During the competition, the players thoroughly enjoyed the fun brought by Go amidst intense matches, improving their skills and enhancing the friendship between the youth of the two cities. Muan County is Changshu’s eighth international sister city. Since establishing sister city relations in October 2016, the two cities have achieved positive results in exchanges and cooperation across various fields.