cargo ship stairs, safety net for visitors, passengers, danger

anchored bay blue boats cargo carry cement central chain clinker concrete crane cranes danger dark docked docks embankment europe ferries ferry flag goods harbor harbour hawse heavy hull industrial industry iron ladders machine machinery marina marine maritime moor moored mooring moorings naval navy ocean passengers port postcard repair repairing river riverside salt seagoing seaside shipping ships shipyard sky stair stairs stairway stairways step steps sundown sunset tower transport transportation twilight unloading vertical vessel visitors water weird wharf workers