the marmaray tunnel project, etc.

http://www.raillynews.com/2014/works-sister-marmaray-start-turkey/

http://www.raillynews.com/2013/there-are-left-100-days-until-the-opening-of-marmaray-project/

http://www.raillynews.com/2013/marmaray-will-have-the-worlds-biggest-station/

http://www.raillynews.com/2012/marmaray-baku-tbilisi-kars-projects-connected/

http://www.raillynews.com/2013/world-watching-three-huge-projects/

http://www.raillynews.com/2014/boring-process-staring-eurasia-tube-tunnel-project-istanbul-turkey/