The image shows a group of people standing in a room with a red curtain in the background. There are four people in the image, three women and one man, all wearing face masks. The woman on the left is wearing a black jacket and carrying a blue backpack, the woman in the middle is wearing an orange jacket and a black cap, and the man on the right is holding a sign that reads "CO2" in Chinese. They appear to be waiting in line to enter the room. There is a camera on a tripod stand in the foreground and a poster on the wall behind them.