Behold, Amazing Bridge Turns Into An Underwater Tunnel Connecting Denmark And Sweden

THIS unique roadway connects the Danish capital of Copenhagen to the Swedish city of Malmö.

The Øresund, designed by the Danish architect George K.S. Rotne, was opened on July 1, 2000.

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The bridge stretches about 8km before transitioning through an artificial island into a 4km tunnel under the Flint Channel.

The site is interesting both biologically and architecturally: the Lund’s Botanical Association has identified more than 500 different species of plants on the island, which was constructed from material dredged from the seabed.

Most of the concrete tunnel was cast on land and towed out to the location.