I'm in my doctor's waiting room. The TV is on, because every quasi-public area in the US must have a TV on. It's the Today show.
One of the journalist-personalities is speaking with a guest-personality about freshening up the air in your house. The first tips he gives is to open your windows for fifteen minutes. To demonstrate this tip, there is a half-scale prop window, complete with surrounding wall and curtains. He opens the little window and looks through it.