accommodation appearance appearances background boat buildings colors colours contrast contrasting culture grass grassed-area homes houses lawns leisure light motor-boat moving outdoor outdoors outside park public-park recreation ripples rippling river river-views riverside scenery scenic shade shadow shadows shrubbery shrubs sunlight sunshine surfaces transport transportation travel trees vegetation views water waterways angles barrier barriers coastal cruise-liner cruise-ship curved curves deck deck-side decks edges exterior Indian-ocean journey leisurely-travel levels lines luxury ocean onboard passengers perspectives railing railings rails safety secure security side surface texture textures tourism tourists view wallpaper beautiful bright calm clear cloud dark dawn day daylight dusk evening evening landscape reflected heavens horizon lake landscape mountain nature night panoramic peace peaceful pond quiet reflection relax relaxation rod scene season serenity sightseeing silence silent sky snow solitude summit sunrise sunset symbol symmetric town tranquil unusual wave jet-ski jet-skiing 3D abstract backdrop blue blue planet circle clean climate climate change conservation cool creation crystal ball design dez pain earth ecology environment global globe glowing going green graphic habitat illustration life moon orb outer space planet sci-fi science science fiction shape space sphere system technology vector weather wet World xymonau access armed authorities authority availability available badges cars communicating communication control deployment equipment flashing-lights law law-&-order lights motor-bikes National-Day on-duty on-the-job order patrols police police-vehicles power presence regulations responsible Singapore symbols traffic traffic-control uniforms vehicles weapons