Performer of an aerobatic team waves after performance during Huangguoshu Waterfalls Flight Conference in Anshun, southwest China's Guizhou Province, Aug. 3, 2018. (Xinhua/Liu Xu)

Aerobatic team from Italy perform during Huangguoshu Waterfalls Flight Conference in Anshun, southwest China's Guizhou Province, Aug. 3, 2018. (Xinhua/Liu Xu)

Aerobatic team from Italy perform during Huangguoshu Waterfalls Flight Conference in Anshun, southwest China's Guizhou Province, Aug. 3, 2018. (Xinhua/Liu Xu)

Aerobatic team from Britain perform during Huangguoshu Waterfalls Flight Conference in Anshun, southwest China's Guizhou Province, Aug. 3, 2018. (Xinhua/Liu Xu)

Aerobatic team from Italy perform during Huangguoshu Waterfalls Flight Conference in Anshun, southwest China's Guizhou Province, Aug. 3, 2018. (Xinhua/Liu Xu)

Aerobatic aircraft from Britain perform during Huangguoshu Waterfalls Flight Conference in Anshun, southwest China's Guizhou Province, Aug. 3, 2018. (Xinhua/Liu Xu)

Aerobatic team from New Zealand perform during Huangguoshu Waterfalls Flight Conference in Anshun, southwest China's Guizhou Province, Aug. 3, 2018. (Xinhua/Liu Xu)

Aerobatic team from New Zealand perform during Huangguoshu Waterfalls Flight Conference in Anshun, southwest China's Guizhou Province, Aug. 3, 2018. (Xinhua/Liu Xu)

Aerobatic team from Britain perform during Huangguoshu Waterfalls Flight Conference in Anshun, southwest China's Guizhou Province, Aug. 3, 2018. (Xinhua/Liu Xu)