the wave is lapping over a square rock on the pier covered in green algae. square-like rock in sunny day. the emerald-colored sea

algae aquatic background beach beautiful boat cement closeup concrete covered day efficacy emerald-colored fins fish fisherman flowers forest fresh gate gloves green gunma image island japan kusatsu landscape lapping like mask mountain natural nature ocean onsen outdoor outside pattern people pier prefecture rock sand scene scenery scenic sea shell shore sky slab splashes sports spots square square-like starfish summer sunny surf texture travel tree vacation view walls water wave waves