
Artist Cao Changqing (1st L) introduces his cloisonne enamel works during the Spring Festival in Beijing, capital of China, Jan. 29, 2017. (Xinhua/Chen Xiaogen)

Artist Cao Changqing (1st L) introduces his cloisonne enamel works during the Spring Festival in Beijing, capital of China, Jan. 29, 2017. (Xinhua/Chen Xiaogen)