Acrobats from Russia perfom during the 17th China Wuqiao International Circus Festival in Cangzhou, north China's Hebei Peovince, Nov. 7, 2019. The 17th China Wuqiao International Circus Festival concluded here on Thursday. Founded in 1987, the biennial festival is regarded as China's longest-running international circus festival, while boasting a wide influence in the field of acrobatics. (Xinhua/Mu Yu)