accommodation angles architecture box-like boxed building building-construction building-site building-work buildings concrete concrete-slabs concreting construction development distinctive elements exterior external gray grey home house light linear lines modern modernistic perspectives plain prefabricated slabs solid squared straight structured style suburban urban views wall walls windows work appearances architectural business district CBD city city scapes city views colors colours contemporary contrast contrasting distance distant glass heights high high rise Hong Kong office buildings reflections skyscrapers sleek slim wealth blue business-district city-scapes city-views color colour high-rise office-buildings offices rectangles rectangular reflective curve curved crew cruise-liner cruise-ship decks entertainment equipment exotic-adventure families features growing-demand harbour hawsers holidaymakers huge-ocean-going-vessel hydrodynamic journey leisure leisurely-travel luxury machinery moored mooring passengers port preparation preparing retirees romantic-getaways stern tourism tourists transport transportation travel vessel winding-drums circular photographer round rounded Singapore colored coloured skies sky