The image shows a group of people swimming in a large indoor swimming pool at night. The pool is lit up with blue and purple lights, creating a beautiful and serene atmosphere. The people in the pool are silhouetted against the dark background, and they appear to be enjoying themselves as they swim. The water is calm and clear, and there are a few small bubbles visible on the surface. The image is taken from a low angle, looking up at the people and the pool.