angles appearance background below beneath bridge concrete deck light lower lower-deck perspectives piers pillars reflections secure solid steel strength strong structure structures surface surfaced surfaces texture textured textures thick under undercover water abstract aluminum backdrop bright brilliant brushed color colorful colors colour colourful colours industry iron material metal plate polished red reflection regular shining shiny smooth wallpaper copper communicating communications communications-equipment concave connecting dish distant distinctive electrical-signals electromagnetic equipment exterior external height high mobile-phones modern parabolic parabolic-reflector radio-waves receivers receiving round satellite-dish satellite-dishes sending Signals steel-structure technical technology telecommunications telephones tower towering transmission transmissions transmitters transmitting water-tower beams colored coloured construction glare gleam glow glowing grey irregular metallic shape shapes shine silver purple violet bar building cladding