Media File No. 241651
After 16 months of tunnelling, on August 22, 2015 a tunnel boring machine from Herrenknecht successfully crossed under the Bosphorus. Well-wishers on the breakthrough celebration included the Turkish Prime Minister Ahmet Davutoğlu (mid), vice chairman Erdem Arıoğlu from Turkish construction company Yapı Merkezi (right) and company founder and Chairman of the Board of Management from Herrenknecht, Dr.-Ing. E.h. Martin Herrenknecht.
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