Red buoy in the sea as a warning signal to the mariner, Navigational Buoy Floating in the Yellow Sea Between Islands, Mountain Covered in dense white haze near Ganghwado island, South Korea

sea mist seascape island ocean distant hazy haze mountain beacon south korea wide shot panorama harbor lighthouse buoy view journey tide shore navigation ganghwado travel marina navigate sky waterway float signal nautical peak navigational wave direction beam structure protection fairway guidance copy space signs danger safe mark marker red warning security safety