The girl looks out of the window and sees her friends in the opposite window. She beckons her friends over and shows them a handful of 3 in 1 sticks. They nod and wave back. She opens the front door and looks into the corridor for her friends. They're not there. As she walks back to the bedroom she is startled to see her friends are "standing" outside the window. She leans outside the window and looks down. The cut to outside of the building. The lighted window is on the third floor and the visitors are balanced on top of a workman's ladder.

Так это какая лестница?