Aerial photo taken on Nov. 28, 2018 shows students painting a traditional opera mask at Jialeyuan Primary School in Qiaodong District of Xingtai City, north China's Hebei Province. In recent years, Qiaodong District of Xingtai City has organized various activities to publicize traditional culture in schools to let the students feel the charm of traditional culture and stimulate their learning interests. (Xinhua/Mu Yu)