Baizhi met Lin Sijin during a documentary interview on a mountainous disaster. He was responsible for the written records, and he was responsible for the video records, and they cooperated well in the work.
Circumhorizontal arc: High-rise ice crystals refract sunlight to form a colorful ribbon parallel to the horizon. It is much rarer than ordinary rainbows. It is also called "the colorful clouds in the sky". [The above popular science comes from AI explanation]
Purpose: Falling in love while working
