Chinese people greet World Environment Day

Children make handicraft works with wastes in the guidance of teacher at a kindergarten in Langfang City, north China's Hebei Province, June 5, 2018, the World Environment Day. (Xinhua/Lu Peng)

Children take part in a garbage classification game at a kindergarten in Langfang City, north China's Hebei Province, June 5, 2018, the World Environment Day. (Xinhua/Lu Peng)

A teacher introduces the effect of plastic garbage on the environment at a kindergarten in Langfang City, north China's Hebei Province, June 5, 2018, the World Environment Day. (Xinhua/Lu Peng)