above-ground angles architectural architecture danger dangerous elevated futuristic Gardens-by-the-Bay height high iconic icons landmarks panoramic panoramic-vistas reinforced-concrete safety scenic Singapore skyline steel strong Super-trees Supertree-Grove suspended tree-tops trees vertical-gardens views vistas appearance backdrop background backgrounds barrier blocks brown coloring colors colouring colours constructed craftsmanship creative decorative display fitted large linear lines perspective perspectives rough secure security solid stone stones stonework strength surface surfaces texture textures variations variety wall walled well-built abstract colored coloured contain containment contrast contrasting divide dry edges fence fencing hard light separation straight surfaced surfacing tactile textured upright wood wood-grain wooden attached authority communicating communication concept court description descriptive fixed highest indentification indentifying judiciary justice law legal location metal name-plates old order pillar post power representative set shadow supreme weathered word wording words worn architectural-elements barred bars black bush bushland dark decorated distinctive entrance exterior external gate gate-posts gateway grille heavy open ornamental park parkland path shade shadows spikes sunlight sunshine track