activities angles architectural-elements architecture chemical-sanitation chlorinated covered exercise filled full glass heated hot-tub hydrotherapy indoor-pool indoors inside interior jacuzzi leisure light lighting lit maintained monitored paddling-pool recliners reclining recreation reflections relaxation sanitized seating shelter sheltered spa-pool swimming swimming-bath swimming-pool undercover wading-pool warm water windows architectural background barrier blinds brick-wall bricks brickwork closed colors colours exterior external height high linear lines open perspective perspectives rectangular secure security shade shadows solid standard strength strong style sunlight sunshine surface surfaced surfaces texture textured textures traditional-brick-wall variation varied various wall walled wallpaper well-built appearances building city city-views color colored colour coloured construction construction-work contemporary contrast contrasting crane danger distance distant distorted distortion distortions elements heights high-rise images modern office-buildings rectangles sky skyscrapers straight tall views work workmen buildings business-district city-scapes commercial-building metropolis metropolitan-area tower-block urban-area walls wealth art artistic backdrop ball balls blue circle circles curve curves design element geometric geometry graphic green icon icons illustration marble marbles multi object objects primary red reflection rgb round shape shapes shine shiny simple simplicity spectrum sphere spheres spherical spheroid symbol toy vector