Sometimes pointing to the sky and sometimes drawing a circle, Tang Chao marked the basic structure of the film with seemingly casual gestures and pine needles swinging in the wind. It is a mixture of grandeur and minutiae, jumping between long-term solidification and colorful floating, between chatter and semantic disorder. He put people on the natural stage in such an extremely introspective way, and slowly got involved in the whirlpool of emotional anxiety as night fell.