People visit a photography exhibition in Haikou, Hainan province on April 11, 2020. A photo exhibition was recently unveiled in Haikou calling on the public to protect wild animals. All ticket income of the event will be used to purchase infrared trigger cameras to monitor the species, number and distribution of wildlife in the suburban area of Haikou. The exhibition displays nearly 100 photographs and will run through May 10. [Photo/Xinhua]