Construction of the longest double railway tunnel in Balkans starts in Bulgaria
...in Balkans began on July 15, Bulgarian caretaker Transport Minist...Elin Pelin İş Ortaklığı). Cengiz & Duygu beat 9 companies fro...Greece, Portugal, Poland and Bulgaria in this tender bidding. ...me longest railway tunnel of Bulgaria. Railway length is 20 kilom...Tags: Cengiz tunnels, Cengiz Yapı, Cengiz Bulgaria
cover tunnel photo by: Matt Brown from London, England / CC BY
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