Worth it.
1. Yang Guodong is a famous calligrapher in modern China. He is known as "after Qi Baishi and before Yang Guodong". His calligraphy works play an important role in the art world.
2. Yang Guodong advocated "big freehand brushwork, big atmosphere, and big techniques" and formed his own unique style between tradition and innovation, which influenced the subsequent development of calligraphy. If you are interested in Chinese calligraphy, Yang Guodong The calligraphy works are worth collecting.