There are three people in the image. The person on the left is wearing a black jacket and a hat, holding a backpack. The person in the middle is also wearing a black jacket and a hat, holding a backpack as well. The person on the right is wearing a black jacket and a hat, holding a backpack. All three individuals appear to be walking or standing in a crowded area with a high level of air pollution, as indicated by the foggy and smoggy conditions.