arch bridge centre city contemporary cross dundee footpath glass grey greyscale modern monochrome over pedestrian rail railway span steel stylish tracks walk walkway Barmouth Causeway estuary gantry girders hills iron line mountains perspective planks resort sea shadows shore vanishing point wales walkers water welsh wooden aerial-walkway angle angled angles arial-walkway barrier footbridge height high higher inclining light mesh metal overpass path patterns perspectives protection protective public raised rising safe safety secure security shadow sloping stable strong sunlight sunshine support supported tree-top cover covered dark darkened open-sided pedestrians people posts roof roofing shade shelter view views walking wood access atmospheric blades curved curving decorative dense direction foliage fronds greenery leaves leisure moody nature park passage passageway pathway plants quiet rocky route shrubbery shrubs solitude stone stonework trees vegetation wall walls afternoon bleak color colour cool edge jungle lake lakeside lights mirrored outdoors outside peaceful pedestrian-bridge pipe placid rails rain raining reflecting reflections restful ripples rippling sheltered surface surfaces texture textures tranquil tranquillity water's-edge wavelets above-ground architectural architecture cables connected connections danger dangerous elevated futuristic Gardens-by-the-Bay iconic icons landmarks OCBC-Skyway panoramic panoramic-vistas reinforced-concrete scenic Singapore skyline stroll strolling Super-trees Supertree-Grove suspended tree-tops vertical-gardens vistas beams bush bushland bushland-park cross-beams open-lattice pergola pillars rest stone-pillars strength sturdy timber tourists vertical-posts visitors abstract backgrounds black brick concrete copy design dirty down floor gray hard herringbone horizontal joints macro mortar old outdoor patio pattern paving rectangle rock rough shape sidewalk street textured urban