Vistors are photographed at an intangible cultural heritage exhibition in Hohhot, capital of North China's Inner Mongolia autonomous region, organized by the Office of the Government of the Hong Kong Special Administrative Region in Beijing, Oct 22. [Photo/CFP]

Young visitors take pictures with the exhibits on display at the exhibtion, Oct 22. [Photo/CFP]

A visitor puts on a pair of headphones during the exhibition, Oct 22. A number of Hong Kong intangible heritage projects are displayed in the form of videos, simulated scenes, music, and physical objects. [Photo/CFP]

A visitor interacts with the exhibits displayed at the Hong Kong exhibition, Oct 22. [Photo/CFP]

Vistors are photographed at the exhibition in Hohhot, Inner Mongolia, Oct 22. [Photo/CFP]