Actors perform Yangge dancing at a scenic spot in Ansai District of Yan'an City, northwest China's Shaanxi Province, May 25, 2018. More than 400 actors took part in the waist drum performance here on Friday, attracting lots of visitors. (Xinhua/Shao Rui)

A visitor poses for photos with an actor at a scenic spot in Ansai District of Yan'an City, northwest China's Shaanxi Province, May 25, 2018. More than 400 actors took part in the waist drum performance here on Friday, attracting lots of visitors. (Xinhua/Shao Rui)

Actors perform Ansai waist drums at a scenic spot in Ansai District of Yan'an City, northwest China's Shaanxi Province, May 25, 2018. More than 400 actors took part in the waist drum performance here on Friday, attracting lots of visitors. (Xinhua/Shao Rui)

Actors perform Ansai waist drums at a scenic spot in Ansai District of Yan'an City, northwest China's Shaanxi Province, May 25, 2018. More than 400 actors took part in the waist drum performance here on Friday, attracting lots of visitors. (Xinhua/Shao Rui)

Actors perform Ansai waist drums at a scenic spot in Ansai District of Yan'an City, northwest China's Shaanxi Province, May 25, 2018. More than 400 actors took part in the waist drum performance here on Friday, attracting lots of visitors. (Xinhua/Shao Rui)

Actors accompany during a performance at a scenic spot in Ansai District of Yan'an City, northwest China's Shaanxi Province, May 25, 2018. More than 400 actors took part in the waist drum performance here on Friday, attracting lots of visitors. (Xinhua/Shao Rui)