What documentary is the cabin incident?

The first phase of the cabin incident of the Times Youth League 20 19.

At that time, the cabins were Ding and Liu, and later they were replaced by Song, Liu, Ding and Ma. During the filming of the documentary, members of the Youth League of the Times encountered the situation of moving to a new home and dividing the house. At that time, before Ding and Liu, the room was also named as a cabin, and Song originally asked Ma for advice, but Ding, who was inexplicable, asked to change rooms. At that time, the staff asked Ding why he wanted to change rooms. Ding said that Song always liked to sleep in their room, and the location was too small, which made the quilts cold.