Intangible cultural heritage inheritor Feng Xuemei shows the Huayao cross-stitch handicrafts of Yao ethnic group during an exhibition in Hohhot, north China's Inner Mongolia Autonomous Region, Aug. 15, 2018. (Photos: Xinhua)

Intangible cultural heritage inheritor Li Cunling shows brocade technique of Zhuang ethnic group during an exhibition in Hohhot, north China's Inner Mongolia Autonomous Region, Aug. 15, 2018.

An intangible cultural heritage inheritor demonstrates the spinning skill of Mongolian ethnic group during an exhibition in Hohhot, north China's Inner Mongolia Autonomous Region, Aug. 15, 2018.

Intangible cultural heritage inheritor Deng Juhua (1st L) shows embroidery of Yao ethnic group during an exhibition in Hohhot, north China's Inner Mongolia Autonomous Region, Aug. 15, 2018.

Visitors experience the performing of traditional shadow puppet show during an intangible cultural heritage exhibition in Hohhot, north China's Inner Mongolia Autonomous Region, Aug. 15, 2018.

An intangible cultural heritage inheritor (L) demonstrates the making process of embroidery of Tu ethnic group during an exhibition in Hohhot, north China's Inner Mongolia Autonomous Region, Aug. 15, 2018.

An intangible cultural heritage inheritor demonstrates silverware making of Mongolian ethnic group during an exhibition in Hohhot, north China's Inner Mongolia Autonomous Region, Aug. 15, 2018.

Intangible cultural heritage inheritor Huang Cuihua shows embroidery skills of Li ethnic group during an exhibition in Hohhot, north China's Inner Mongolia Autonomous Region, Aug. 15, 2018.