Marmaray Project-BC1 Contract May 2012 Monthly Progress Video From Construction Sites Released

Marmaray Project-BC16 Contract May 1 Monthly Progress Video from Construction Sites Released
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The rapid progress of the construction between Yedikule-Kazlıçeşme, which is prominent in the images, shows the detailed stages of the installation of the in-tunnel rail and shows the phases shown after the end of the archaeological excavations in Sirkeci.

Source : http://www.ubak.gov.tr