Children learn to make ceramics during China's National Day holiday in Huai'an City, east China's Jiangsu Province, Oct. 4, 2018. (Photos: Xinhua/Xiang Zhonglin)

A child learns to make ceramics under the guidance of a teacher during China's National Day holiday in Huai'an City, east China's Jiangsu Province, Oct. 4, 2018.

A child learns to make ceramics under the guidance of teachers during China's National Day holiday in Huai'an City, east China's Jiangsu Province, Oct. 4, 2018.