This document summarizes and compares three artworks by Gao Jianfu depicting butterflies flying over a river. Exhibit 122 combines the subjects of Exhibits 120 and 121 into one completed work, showing several butterflies flying above the water with rocks in the distance. It brings together sketches from Exhibits 120 and 121 and adds ink wash and color to transform them into a finished painting with a tranquil and leisurely mood. The document examines Gao Jianfu's process of developing from sketches to mature artworks.