Performers lie on transparent boats as they rehearse for a show on the Lijiang River in Guilin City, South China’s Guangxi Zhuang Autonomous Region, July 15, 2018. (Photo: China News Service/Chen Chao)

Performers rehearse for a show on the Lijiang River in Guilin City, South China’s Guangxi Zhuang Autonomous Region, July 15, 2018. (Photo: China News Service/Chen Chao)

A performer rows a transparent boat in a rehearsal for a show on the Lijiang River in Guilin City, South China’s Guangxi Zhuang Autonomous Region, July 15, 2018. (Photo: China News Service/Chen Chao)

Performers lie on transparent boats as they rehearse for a show on the Lijiang River in Guilin City, South China’s Guangxi Zhuang Autonomous Region, July 15, 2018. (Photo: China News Service/Chen Chao)