International students talk with local students at Guiyang No. 1 High School in Guiyang in southwest China's Guizhou Province, May 21, 2026. (Xinhua/Liu Xu)

International students visit the Huajiang Grand Canyon Bridge in southwest China's Guizhou Province, May 20, 2026. (Xinhua/Liu Xu)

International students learn about tunnel construction technologies at Guizhou Communications Polytechnic University in southwest China's Guizhou Province, May 19, 2026. (Xinhua/Liu Xu)

International students experience tie-dye technique with local students at Guiyang No. 1 High School in Guiyang in southwest China's Guizhou Province, May 21, 2026. (Xinhua/Liu Xu)

International students visit the Huajiang Grand Canyon Bridge in southwest China's Guizhou Province, May 20, 2026. (Xinhua/Liu Xu)

International students learn about tunnel construction technologies at Guizhou Communications Polytechnic University in southwest China's Guizhou Province, May 19, 2026. (Xinhua/Liu Xu)

International students do radio calisthenics with local students at Guiyang No. 1 High School in Guiyang in southwest China's Guizhou Province, May 21, 2026. (Xinhua/Liu Xu)

International students visit the Huajiang Grand Canyon Bridge in southwest China's Guizhou Province, May 20, 2026. (Xinhua/Liu Xu)