Hengyang inside bottle painting

Hengyang bottles, which are painted from the inside, are displayed at the 4th International Festival of Intangible Cultural Heritage in Chengdu.[Photo/chinaculture.org by Yang Qi]

Hengyang bottles, which are painted from the inside, are displayed at the 4th International Festival of Intangible Cultural Heritage in Chengdu. [Photo/chinaculture.org by Yang Qi]

By Shi Liwei