Acrobats from north China's Hebei perform during the 15th China Wuqiao International Circus Festival in Shijiazhuang, north China's Hebei Province, Sept. 30, 2015. Acrobats from 20 countries and regions took part in the festival. (Xinhua/Wang Xiao)

Acrobats from Ethiopia perform during the 15th China Wuqiao International Circus Festival in Shijiazhuang, north China's Hebei Province, Sept. 30, 2015. Acrobats from 20 countries and regions took part in the festival. (Xinhua/Wang Xiao)

An acrobat from Mexico performs during the 15th China Wuqiao International Circus Festival in Shijiazhuang, north China's Hebei Province, Sept. 30, 2015. Acrobats from 20 countries and regions took part in the festival. (Xinhua/Wang Xiao)

Acrobats from north China's Hebei perform during the 15th China Wuqiao International Circus Festival in Shijiazhuang, north China's Hebei Province, Sept. 30, 2015. Acrobats from 20 countries and regions took part in the festival. (Xinhua/Wang Xiao)

The host performs during the 15th China Wuqiao International Circus Festival in Shijiazhuang, north China's Hebei Province, Sept. 30, 2015. Acrobats from 20 countries and regions took part in the festival. (Xinhua/Wang Xiao)

Acrobats from perform during the 15th China Wuqiao International Circus Festival in Shijiazhuang, north China's Hebei Province, Sept. 30, 2015. Acrobats from 20 countries and regions took part in the festival. (Xinhua/Wang Xiao)

Acrobats from Hungary perform during the 15th China Wuqiao International Circus Festival in Shijiazhuang, north China's Hebei Province, Sept. 30, 2015. Acrobats from 20 countries and regions took part in the festival. (Xinhua/Wang Xiao)