accommodation angles architectural architectural-elements architecture balconies balcony buildings business city-scapes city-views colors colours commerce commercial concrete contemporary contrast contrasting costly curved curves distance distant elements expensive exterior external glass heights high high-rise light linear lines modern multi-storey multi-story perspectives recessed skyscrapers surface towering towers urban-area views walls wealth windows Air Vehicle airplane Announcement Message Architecture And Buildings Beauty And Health buckle Business Travel cabin ceiling cigarette Color Image Commercial Airplane Exclusion Inside Of jet Lighting Equipment Low Angle View macro Mode of Transport no people no smoking sign Objects/Equipment photography risk safety Seat Belt security sign symbol transportation travel Vehicle Interior Vehicle Seat warning sign Warning Symbol city construction factory Italy palace plant sky torino window color colour decoration decorative different distinctive edges geometric geometrical green greenery height lighting on-the-outside plants rooftop-gardens shadows shape shaped shapes Singapore stained-glass sunlight sunshine trees unique unusual white art-glass coloration colored coloured glass-panes multi-colored multicoloured panes rectangles rectangular reflections window-frames window-panes abstract appearance building edged geometric-shapes patterned patterns pointed sharp surfaces textured textures wall appearances box-like business-district office-buildings gray grey Hong Kong style curve greyscale monochrome