In ancient times, there were words on one side of the fan, and words and pictures on the other side. This is the front and that is the back ... As a work of art, fans began in the Song Dynasty, and some people painted poems on folding fans in the Northern Song Dynasty. What is the art of calligraphy and painting concentrated on folding fans in ancient times? -The structure of folding fan consists of two parts: fan face and fan bone. According to the texture, there are two main departments: paper and silk. As a work of art, fans began in the Song Dynasty. In the Northern Song Dynasty, people wrote poems and painted on paper folding fans. In the Southern Song Dynasty, silk folding fans appeared. Advanced folding fans, ribs and blades are often made of ivory. It is also engraved with various decorative patterns, and most of the fans have celebrity calligraphy and painting ... In the Garden Magazine records that the number of fans used in ancient China was the earliest. As for the folding fan used by modern people, it is also called spreading fan. North Korea paid tribute to China during the Yongle period of the Ming Dynasty. bale