Children in Xiangyang Kindergarten play a game teaching them how to sort trash, Changzhi county, Shanxi province, May 25. Changzhi county has been promoting the sorting of trash since 2018. To promote public awareness and develop better habits among young people, the county has included the sorting of waste into appropriate categories as part of daily school homework. [Photo/Xinhua]

Children dressed as trash cans play a game at Xiangyang Kindergarten, Changzhi county, Shanxi province, May 25. [Photo/Xinhua]