A folk artist teaches children to make a lantern during the 4th China (Weifang) Folk Art Expo in Weifang, Shandong Province, April 19, 2019. The 4th China (Weifang) Folk Art Expo kicked off on Friday, featuring more than 50 categories of folk art. (Photos: Xinhua)

Photo taken on April 19, 2019 shows clay sculpture works made during the 4th China (Weifang) Folk Art Expo in Weifang, Shandong Province. Visitors are encouraged to try their hand at making folk art at the interactive exhibition area.

A woman makes a piece of embroidery during the 4th China (Weifang) Folk Art Expo in Weifang, Shandong Province, April 19, 2019. This event will last until April 23, 2019.

A folk artist weaves a piece of clothing during the 4th China (Weifang) Folk Art Expo in Weifang, Shandong Province, April 19, 2019. Weifang is known as "the city of kites," and is famous for its traditional handicrafts.