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Inside project to build the world's deepest roundabout and undersea road

The massive infrastructure project will be the longest underwater road tunnel and the deepest tunnel in the world while also having the deepest roundabout ...
ABC7

Deepspot: World's deepest pool to open in Poland

MSZCZONOW, Poland -- The world's deepest pool set to open near Warsaw, Poland this fall. Deepspot will be 45 meters deep, about as deep as a 15-story building is tall. Only the fourth diving pool of ...