The image displays an underwater environment in Зеленогорское сельское поселение, Ukraine

The image displays an underwater environment in Зеленогорское сельское поселение, Ukraine. Approximately 12 to 15 circular, ring-shaped structures are arranged in a roughly linear formation along the silty, algae-covered lakebed. These structures are uniformly dark and covered in green algal growth; several contain bundles of dried vegetation or organic debris within their openings or on their upper surfaces. Numerous small, light-colored fish are present, swimming in active schools around and between the submerged structures. The water is murky, exhibiting a greenish tint, with visibility decreasing towards the top and left of the frame. No human individuals or their direct actions are visible.