Geographically speaking, Norway is an especially tricky place for motorists. With more than 1,100 fjords -- the deep glacial water inlets that divide land masses -- driving from point A to point B typically requires points C through Z, several bridges, and a couple of ferry rides.
To remedy the problem, Norway is undertaking an ambitious project to build a fully submerged floating traffic tunnel beneath the waves of the Sognefjord, a troublesome body of water that runs 3,000 feet wide and 4,000 feet deep.
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According to planners, the tunnel would be attached to massive pontoons floating on the surface of the water, and further stabilized by trusses connecting dual tubes. The side-by-side cylinders would enable uninterrupted traffic in both directions, and would hang around 70 to 100 feet under the surface of the water.