本片是一部中国大陆短片片，上映于2023-04-26，由Lian Yi导演，由主演。
剧情简介：The security guards walk through various building spaces every day. The artist got inspiration from the daily work of the security guard after learning about the event of collective repair and leak stoppage after a rainstorm, and filmed the experience of a security guard walking in different spaces, looking for the unknown experience brought by the change of space.
别名：Up and Down
类型：短片
地区：中国大陆
导演：Lian Yi
