angles appearance background beams below beneath bridge concrete deck girders 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 above abstract arched arches architectural architecture clouds cover covering curves dark drivers driving edge edges fabricated fabrication left-hand driving lines Melbourne metal open overhead patterns ridges roofing rows skies sky spaces stormy strips structured traffic vehicles Victoria visual weather Westgate Bridge winter blue sunny sunshine access accessible angular appearances barriers bridging cloudy contrast contrasting decks distinctive double-decked elements expanse exterior external fishing fishing-deck lighting lights long pedestrian-access pedestrians pier-columns railing rails support traffic-bridge wide wood fishermen river supportive underside city close colorful concept culture custom emotion fence forever friendship hang happiness heart human iron link lock love love lock loyalty old padlock pair romance romantic rust sharing symbol together tradition two unity valentine youth boat dinghy tinnie