boat cruise ship ocean ocean liner prow sail ship vacation boating boats ferry gravel liner maritime maritimes nautical nova old rust rusted rusting rusty sailing scotia blue chain chains paint wheel bridge cruise Denmark great belt HDR holiday Nyberg pylon sea sky. clouds sun sunset transport truck water wave waves big bow cruising deck illustration journey large luxury passenger shipping tourism tourist transportation travel vessel voyage advice advising communicating communication cruise-liner cruise-ship decks emergencies emergency huge-ocean-going-vessel indicator information informing lifebuoy location message rescue safety sign signage survival wording words abstract angles background changing coastal color colors colour colours currents dark deep ebb-and-flow expanse Indian-ocean light motion movement powerful reflections ripples rippling salt-water sunlight surface texture textures vast vibrancy vibrant view wallpaper above-the-deck cables cabling edges exterior ladder lighting lights lines navigation navigational-lights onboard perspectives railing rails secure security signal-light tower views warning-lights barrier barriers curved curves deck-side leisure leisurely-travel levels passengers railings side surfaces tourists choppy deep-blue distance distant foam foaming froth surf troughs wake wash white