caption: In this picture, we see men are standing in the water and they are carrying the oxygen cylinders. The water might be in the pool. On the right side, we see a wall and the objects. Beside that, we see a door. In the background, we see the objects in blue, white, grey, yellow and maroon color. Behind that, we see the rods. On the left side, we see a machinery equipment. In the background, we see a wall in white, yellow and blue color. At the top, we see the flags in green or blue, yellow and white color. We even see an exit board.