Dock Wall Door The city constructed a wall in the early 2000s to discourage visitors. Note the staircase is cut off, too. Similar Images ...based on the tags: concrete, graffiti, shadows, snow, staircases, trestles... Camera: Pentax 67. An experimental shaft dug in the 1950s and its Hoist House. The tops of the coke stoves. It’s a small world… look at it. It’s not hard to see how Germany could turn these into a prison overnight. The superstructure for the sea-leg skyways serves no purpose now… the offices are bricked up, too. Why? What you see is not a crack in the floor, but a long vine extending ten feet onto the shop floor, as if reaching in to escape the wind and rain. Looking through the dark door at Shaft 3, when my naked eyes could only make out a staircase lit dimly from above. Another. Planet. Coal crushers and the coke loading line.