afternoon angles building building-construction building-materials building-sites building-work buildings concrete construction construction-sites construction-work cranes danger dark darkening edge estuary height heights high late-afternoon levels metal-work multilevels railing rails reinforced reinforcement safety scaffolding security steel-scaffolding tall waterside water’s-edge winter work construction site crane Finnieston Crane freight heavy industrial large massive steel transportation weight construction machinery construction people crew heavy duty heavy objects HSE lifting machines mobile crane operating people at work safety precaution supervising working architecture bricks brickwork building-site cement-mixers construction-site development elements equipment exterior external framework home home-units homes house light linear lines materials men mixers modern perspectives pipes sand structure style suburban supplies units urban wall walls workers workmen blocks breeze brick build construct erect field foundation foundations ground handler material Mud rock rocks site telescopic tree trees cement gravel industry job labor labour landscaping manual project wheel wheelbarrow worker accommodation rubble straight untidy views window-frames windows architectural balance cabin cables colors colours foliage protection roof roofs rooves sky steelwork work-safe built football lights pitch reflector seating seatings spectacle sport stadium train chimney groningen