Photo taken on April 19, 2019 shows the clay sculpture works during the 4th China (Weifang) folk art fair in Weifang, east China's Shandong Province. The 4th China (Weifang) folk art fair kicked off here on Friday. More than 50 categories of folk art were displayed and visitors could have a try at the interactive exhibition area. (Xinhua/Shao Kun)