Old Elbe Tunnel or St. Pauli Elbe Tunnel or St. Pauli Elbtunnel ) which opened in 1911, is a pedestrian and vehicle tunnel in Hamburg, Germany. The 426 m long tunnel was a technical sensation; 24 m beneath the surface, two tubes with 6 m diameter connect central Hamburg with the docks and shipyards on the south side of the river Elbe. This meant a big improvement for tens of thousands of workers in one of the busiest harbours in the world.
Four huge lifts on either side of the tunnel carried pedestrians, carriages and motor vehicles to the bottom. The two tunnels are both still in operation, though due to their limited capacity by today's standards, other bridges and tunnels have been built and taken over most of the traffic.
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