The video shows a group of people wearing harnesses and climbing up a staircase. The staircase is made of metal and has a railing on one side. The people are wearing safety gear, including helmets and harnesses. They are climbing up the stairs in a line, one after the other. The staircase appears to be part of a larger structure, possibly a building or a bridge. The people are moving slowly and carefully, indicating that they are taking safety precautions. The video is shot from a low angle, looking up at the people as they climb.