above aerial-balloon angled angles apartment-blocks architecture backgrounds balloon below buildings cityscape colors colours condominiums flats flight-operation gondola height helium helium-balloon high high-rise modern motion movement multi-storey multi-story perspectives roofing roofs rooftops rooves safe safety scene scenery scenic secure secured shape shapes sights sightseeing Singapore skyline streets traffic views abstract bare close-up cracks dark dry edge edges grain gray grey grooves hard-wood layers lines lumber patterned patterns ridges rough shade shades-of-colour shadows shaped surface surfaced surfaces texture textured textures timber tree tree-trunk trunk twisted uneven variations varieties wood wood-grain wrinkled wrinkles wrinkly antennae appearance backdrop background brown bug curl curled display eyes fauna fern flora foliage fronds garden garden display garden plants green greenery growth head in the garden insect leaf leaves legs light Light green nature plants roll spiral tongue tropical tropical plants variation variety vegetation wallpaper wasp wings