beggar bridge cables central city clyde cross glasgow homeless passenger pedestrian people river span steel.old suspend suspension urban Victorian walk walkway water arch blue centre contemporary dundee footpath glass lighting modern over purple rail railway steel stylish tracks grey greyscale monochrome above angles children City Street comfortable couples crossing crossing over crowd exercising families friends group ladies looking down men moving outing pedestrians perspectives road roadside sauntering seen from above sight-seeing street strolling sun light sunshine tourists walkers walking women