Chinese people greet World Environment Day

Photo taken on May 31, 2018 shows people taking part in a bicycle riding activity to call for green travel in Handan City, north China's Hebei Province. The World Environment Day falls on June 5. (Xinhua/Wang Xiao)

Photo taken on June 3, 2018 shows pupils picking garbage along the Ganjiang River in Nanchang, capital of east China's Jiangxi Province. The World Environment Day falls on June 5. (Xinhua/Wan Xiang)