00:0073,000 tons of concrete are lowered onto the prepared seabed within millimeter precision.
00:07The Femarn Belt Immerse Tunnel links Denmark and Germany using massive hollow steel and concrete boxes.
00:14Gigantic hydraulic positioning rigs guide the elements, exerting immense and precise force to align them.
00:21Hydraulic positioning systems dock each massive segment within millimeters before seals secure the joints.
00:28Engineers dock these massive structures precisely on the ocean bed using hydraulic rams to lower 73,000 ton concrete segments
00:38within millimeters.
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