
Students exchange toys during a bazaar activity to celebrate the International Children's Day at a primary school in Urumqi, capital of northwest China's Xinjiang Uygur Autonomous Region, June 1, 2017. (Xinhua/Wang Fei)

Students exchange toys during a bazaar activity to celebrate the International Children's Day at a primary school in Urumqi, capital of northwest China's Xinjiang Uygur Autonomous Region, June 1, 2017. (Xinhua/Wang Fei)