Aerial photo taken on July 14, 2018 shows children practising martial arts at Wenzhou Wushu Museum in Wenzhou, east China's Zhejiang Province. More than 120 children visited the museum on Sunday to learn about martial arts. (Xinhua/Su Qiaojiang)

Aerial photo taken on July 14, 2018 shows a martial arts instructor demonstrating actions for children at Wenzhou Wushu Museum in Wenzhou, east China's Zhejiang Province. More than 120 children visited the museum on Sunday to learn about martial arts. (Xinhua/Su Qiaojiang)

A martial arts instructor demonstrates actions for children at Wenzhou Wushu Museum in Wenzhou, east China's Zhejiang Province, July 14, 2018. More than 120 children visited the museum on Sunday to learn about martial arts. (Xinhua/Su Qiaojiang)