Copenhagen, Denmark, January 27, 2015: Guy Taylor, Project Director at Metroselskabet, explains about the tunnel boring machines (TBM). Here pictured just before the actual drilling head. The TBMs are all custom built for this project Credit: OJPHOTOS/Alamy Live News

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Size: 3744px × 5616px
Location: Otto Buses Vej, Copenhagen. Denmark
Photo credit: © OJPHOTOS / Alamy / Afripics
License: Licensed
Model Released: No

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