Introduction to the exhibition hall on the third floor: The exhibition hall on the third floor of the Shanghai Museum houses the Chinese Calligraphy Hall, the Chinese Seal Hall and the Chinese Painting Hall. Chinese calligraphy is an art that uses lines as a tool to express Chinese characters. The Chinese Seals and Seals Museum is currently the first art museum at home and abroad to display seals and seals. Chinese painting has a profound tradition and unique national style.