A teacher gives lessons about stamps to students at a primary school in Hanshan district of Handan, North China’s Hebei province, Oct 9, 2018. The students learned about postal knowledge through various activities on the World Post Day. [Photo/Xinhua]
Students present pictures of stamps they draw at a primary school in Hanshan district of Handan, North China’s Hebei province, Oct 9, 2018. [Photo/Xinhua]
