angles appearance architectural-elements architecture barricades barriers bell-tower bells blue cars circular city distinctive glass height high metal modern motor-cars motor-vehicles movement parked parking round rounded stairs steps street street-scene tall tourism tourists tower trees vegetation vehicles workers workmen abstract angled background blocks bricks brickwork color colour Designs detailed detailing fit fitted fitting footpath grooves ground interlock interlocked interlocking level light path pattern patterned patterns pavement pavers paving paving-bricks shaped shapes smooth stones stonework surface surfaces textured textures communicating communications communications-equipment connecting distant electrical-signals electromagnetic equipment exterior external mobile-phones radio-waves receivers receiving sending Signals slender steel steel-structure technical technology telecommunications telephones telephony towering transmission transmissions transmitters transmitting animal arboreal brazilian callithrix-argentata callitrichids colored colorful colors coloured colourful colours diurnal endangered-species flesh-colored-ears forager foraging mammal mico-argentatus monkey New-World-monkey omnivore omnivorous primate silvery-marmoset Singapore-zoo small tropical-rainforests-habitat whitish-silver-grey zoo architectural Australian closed craftsmanship dark decorated decorative doors entrance historic historical history linear lines old ornamental ornamentation pillar plain safety shadows solid sombre stone style walls checkered concrete contrast contrasting designed driveway gray grey grooved non-slip rectangles rectangular building contemporary edged edges elements framed frames geometric geometric-shapes high-rise perspectives sharp Singapore views wall windows bloom blooming blooms buttercup-family display evergreen flora flower flowers foliage green Hellebore Hellebores Helleborus Lenten-rose low-growing perennials poisonous Ranunculaceae rhizome-rooted shrub shrubbery subtle-shades toxic toxicity white