body of water, likely a pool, with clear, turquoise-colored water

body of water, likely a pool, with clear, turquoise-colored water. The surface of the water is shimmering. In the background is a man-made rock formation with a small waterfall cascading into the water. There is a large marine animal, possibly a manta ray or stingray, swimming underwater. The scene is peaceful and evokes a natural or artificial tropical setting.