abstract angles appearance architectural architecture bridge cables connecting connections connectors metal metallic perspective perspectives post protection shape shapes size steel steel cables strength strong structure support supporting supports suspension suspension bridge triangle triangles triangular V-Shape mesh movement shade shadows slats steel mesh sturdy sunlight swaying swinging swinging bridge wooden flooring big chains construction heavy hook iron large rust rusty sundconst wire wires dawn early electricity looming mist misty Morning power pylon sky tower transmission concrete overpass pedestrian posts railing rails rods safety walkway waterway California Golden Gate landmark monolith ocean red rivets rusted San Francisco symbol tall central city clyde cross glasgow passenger people river span steel.old suspend urban Victorian walk water