above angle angles appearance building corrugated corrugations exhaust pipes grooved grooves height high metal perspectives protection roof roofing rooftop safety security shadows shapes shopping centre shops sunlight ventilation exhaust pipes ventilation system aerial birds community congregate England english evening flock gather Great Britain group mast murmuration nature social starlings Sturnidae Sturnus vulgaris suburban Sussex television town buildings city cityscape contrast fresh green light Metropolitan Museum of Art New York City NYC Rooftop view sky skyline spring sunny urban view wild chinese colorful colourful door door framed ferns flowers framed garden greenery orchids palms pebbles pink plants red reflection shrubs Singapore temple tiles white spring buildings appearances architectural architecture balconies balcony bright cambodia colored coloring colors coloured colouring colours culture highrise mauve modern multi-storey multi-story purple surface surfaces texture textures wall walls aluminium blocks controversial crane facilities functional futuristic gray grey industrial iron London New pipes ribbed silver spiral stairs steps tower ugly Asian belief cultural decorative design faith growth Islam islamic leaves masjid minaret minarets mosque Muslims prayer religion religious towers