What are the painting characteristics of Song Dynasty mural artist Wu Zongyuan's Eighty-seven Immortals Volume?

Wu Zongyuan was a mural artist in the Song Dynasty. From his Atlas of Eighty-seven Immortals, we can see the remains of Wu Daozi's Walking Clouds.

"Eighty-seven Immortals Volume" has a grand scene, and although there are many dense characters in the layout, it is complex but not chaotic, vivid and vivid. The line drawing is slim and dense, and the set-off and cooperation between the figure's face and the clothing line is very harmonious, from which we can appreciate the texture of the tulle dress and the unique charm of long sleeves fluttering. The strokes change at high speed, the lines are frank and smooth, and the arrangement is orderly, which makes the characters vivid and elegant.