Copenhagen's new Metro is a thing of beauty

In Copenhagen, traffic is usually caused by the two-wheel variety of transportation: the bicycle.

Release time : 2019-12-12 14:33:29

source : edition.cnn.com

for quite a substantial number of years," he said.

Technical issues also challenged tunnel designers. They had to build around older structures with shaky foundations, such as the historic Frederik's Church, a.k.a. Marble Church, at the Marmorkirken station.

Controlling groundwater was also imperative during construction.

"A lot of the houses in the inner part of the old city center are actually founded on wooden piles from the 17th century or 18th century," explained Olsen, "If you remove the groundwater from those piles, they'll rot."

In addition, builders had to deftly maneuver around existing Metro tunnels--but Olsen proudly notes the extension was completed without causing any shutdowns to the current system.

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