Beijing, June 2 (Youth.cn) -On June 2nd, 2023, at the Shifangjing Wharf on the Yangtze River bank in Shuangjiang Street, Yunyang County, Chongqing City, an enhancement release activity with the theme "Harmonious Coexistence of Humans and Nature, Building a Beautiful China" was held. A total of 39,000 fish fry were released into the Yangtze River, advocating for environmental conservation and protection of the Yangtze River, in celebration of the 50th World Environment Day.