Activities included visits to Qilou Old Street and the Hainan Tropical Wildlife Park and Botanical Garden in Haikou, tea-picking in Qiongzhong, traditional Li ethnic performances in Baoting, and surfing in Wanning. They also tried on traditional clothes and joined classroom sessions at Haikou ShanGao High School, the program's host.

At the opening ceremony on Monday, Hainan foreign affairs official Er Jianqiao emphasized the importance of youth exchanges in bridging Sino-US relations.

"Language and cultural differences shouldn't prevent young people from China and the United States from deepening their understanding and enhancing their friendship," she said.