The image shows a set of three glass doors with red and white signs on them. The doors are located in a subway station with green walls and a CCTV camera mounted on the wall above them. On the left side of the doors, there is a sign that reads "No pasar" and on the right side, there are two signs that read "Entrada" and "Prohibido Fumar". The signs also have a red circle with a white line through it, indicating that smoking is not allowed. The floor is tiled and there are a few people visible in the background.