A child plays in water at Chimelong Water Park in Guangzhou, south China''s Guangdong Province, May 29, 2020. Guangzhou''s Chimelong Water Park reopened Friday with COVID-19 control and prevention measures applied. (Xinhua/Liu Dawei)

Children enjoy themselves at Chimelong Water Park in Guangzhou, south China''s Guangdong Province, May 29, 2020. Guangzhou''s Chimelong Water Park reopened Friday with COVID-19 control and prevention measures applied. (Xinhua/Liu Dawei)

Children enjoy themselves at Chimelong Water Park in Guangzhou, south China''s Guangdong Province, May 29, 2020. Guangzhou''s Chimelong Water Park reopened Friday with COVID-19 control and prevention measures applied. (Xinhua/Liu Dawei)

Tourists enjoy themselves at Chimelong Water Park in Guangzhou, south China''s Guangdong Province, May 29, 2020. Guangzhou''s Chimelong Water Park reopened Friday with COVID-19 control and prevention measures applied. (Xinhua/Liu Dawei)