Children make mooncakes in a museum of Baotou, north China's Inner Mongolia Autonomous Region, Sept. 13, 2019. (Photo by Li Zhipeng/Xinhua)

A child displays a mooncake made by herself in a museum of Baotou, north China's Inner Mongolia Autonomous Region, Sept. 13, 2019. (Photo by Li Zhipeng/Xinhua)

Children have a class about traditional culture of the Mid-Autumn Festival in a museum of Baotou, north China's Inner Mongolia Autonomous Region, Sept. 13, 2019. (Photo by Li Zhipeng/Xinhua)

Children make a lantern at an activity to celebrate the Mid-Autumn Festival in Hangzhou, east China's Zhejiang Province, Sept. 13, 2019. Children took part in various activities including handicrafts and mooncake making to enjoy the traditional Chinese festival on Friday. (Xinhua/Huang Zongzhi)

Children paint on fans at an activity to celebrate the Mid-Autumn Festival in Hangzhou, east China's Zhejiang Province, Sept. 13, 2019. Children took part in various activities including handicrafts and mooncake making to enjoy the traditional Chinese festival on Friday. (Xinhua/Huang Zongzhi)

Children make lanterns at an activity to celebrate the Mid-Autumn Festival in Hangzhou, east China's Zhejiang Province, Sept. 13, 2019. Children took part in various activities including handicrafts and mooncake making to enjoy the traditional Chinese festival on Friday. (Xinhua/Huang Zongzhi)

Children learn to make mooncakes at an activity to celebrate the Mid-Autumn Festival in Hangzhou, east China's Zhejiang Province, Sept. 13, 2019. Children took part in various activities including handicrafts and mooncake making to enjoy the traditional Chinese festival on Friday. (Xinhua/Huang Zongzhi)