the top cross beam of one of the riveted steel towers of the lions gate bridge in vancouver, bc, canada

aircraft beacon beam blue box brace bracing bridge british brockton cables canada clear columbia columns construction cross cut first gate girder harbor high industrial ladder light lightning lions narrows north one outs paint park platform point railing riveted rivets rod seawall ships shore sky skyline span spring stairs stanl stanley steel strong structure suspension tall top tower towers vancouver vancouvers view warning water west wires