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An ambitious underwater road and rail tunnel is currently under construction in Europe that will link Germany and Denmark. Named the Fehmarnbelt tunnel, it will cross an 18-km (roughly 11.2-mile) stretch of the Baltic Sea. The Fehmarnbelt tunnel (aka Fehmarn Belt fixed link) is being created by Femern A/S, Rambøll, Arup and TEC, and is described by the team as the world's longest immersed tunnel (i.e. a tunnel built elsewhere and then sunk into place) and the world's deepest immersed tunnel with road and rail traffic. The immersed part is important as there are longer undersea tunnels, such as the...

Danish archaeologists doing a survey ahead of the construction of the Femern Belt link scheme, an immersed tunnel that will connect the German island of Fehmarn with the Danish island of Lolland, have found a 5,500-year old-ceramic vessel bearing the fingerprint of the artisan who made it. The vessel is known with the name "funnel beaker," a kind of ceramics which features a flat bottom with a funnel shaped neck. Such earthenware is characteristic of the Funnel Beaker Culture (4000 – 2800 B.C.), which represents the first farmers in Scandinavia and the north European plain. It was found in pieces...