A foreign folk artist introduces his work to a visitor during an exhibition of intangible cultural heritages in Asia at the National Museum of Classic Books in Beijing, capital of China, May 16, 2019. An exhibition of intangible cultural heritages in Asia was unveiled to the public at the National Museum of Classic Books Thursday in Beijing. The exhibition, titled "Craftsmanship of Civilizations," showcased 310 pieces (sets) of work by 30 artists from 14 Asian countries. The exhibition lasts until May 28. (Xinhua/Pan Xu)