The image depicts underwater footage of a structure made up of vertical columns, which appear to be made of metal or concrete. The columns are covered in algae and other marine growth, indicating that they are submerged in water. The background is a blue-green hue typical of ocean water, with some areas showing darker shades, possibly due to the presence of sediment or other underwater features. The overall scene suggests a natural, undisturbed environment, likely a coastal area or a marine park.