Foreign learners show certificates of completing their acrobatic courses at Hebei Wuqiao Acrobatic Art School in Wuqiao County, north China's Hebei Province, May 31, 2019. A total of 26 learners from foreign countries and regions including Kenya, Sierra Leone and Laos, completed their acrobatic courses in Hebei Wuqiao Acrobatic Art School. They will be engaged in acrobatic performances or acrobatic education after they return to their countries and regions. (Xinhua/Yuan Liwei)