shallow water view of kuma river bottom in japan

abstract autumn ayu background bank basin beach beautiful beauty blue bottom bubbles clear closeup cold color environment famous fast fishing floor flowing fresh gravel gray green historic japan kuma kumagawa kumamoto landscape large less light liquid natural nature outdoor park pattern peaceful pebble rafting rapids recreation relaxation river rock run sand scenery scenic season shallow shore sightseeing small smooth sound spa splash stone stream summer sunlight surface texture tourism town tranquil travel vacation wallpaper water wet white whitewater winter zen