A scene of Luoping cole flower field is seen at the Yunnan folk art exhibition at Yuyuan Garden in east China's Shanghai, Aug. 10, 2018. The exhibition kicked off here on Friday and shows folk dances, local artwares and scenery from Qujing City of Yunnan Province. (Xinhua/Liu Ying)

Dancers perform a dance of Yi ethinic group at the Yunnan folk art exhibition at Yuyuan Garden in east China's Shanghai, Aug. 10, 2018. The exhibition kicked off here on Friday and shows folk dances, local artwares and scenery from Qujing City of Yunnan Province. (Xinhua/Liu Ying

Local artwares are seen at the Yunnan folk art exhibition at Yuyuan Garden in east China's Shanghai, Aug. 10, 2018. The exhibition kicked off here on Friday and shows folk dances, local artwares and scenery from Qujing City of Yunnan Province. (Xinhua/Liu Ying)

Dancers perform a dance of Yi ethinic group at the Yunnan folk art exhibition at Yuyuan Garden in east China's Shanghai, Aug. 10, 2018. The exhibition kicked off here on Friday and shows folk dances, local artwares and scenery from Qujing City of Yunnan Province. (Xinhua/Liu Ying

Dancers prepare for a performance at the Yunnan folk art exhibition at Yuyuan Garden in east China's Shanghai, Aug. 10, 2018. The exhibition kicked off here on Friday and shows folk dances, local artwares and scenery from Qujing City of Yunnan Province. (Xinhua/Liu Ying)