Istanbul Cityscape...

https://en.wikipedia.org/wiki/Istanbul#Cityscape

https://en.wikipedia.org/wiki/Public_transport_in_Istanbul

https://en.wikipedia.org/wiki/Istanbul#Transportation

https://upload.wikimedia.org/wikipedia/commons/3/30/Istanbul_Rapid_Transit_Map.png

https://upload.wikimedia.org/wikipedia/commons/6/68/Metro_Transportation_Map_Istanbul_2014.png-
https://en.wikipedia.org/wiki/Istanbul_Metro#History

https://en.wikipedia.org/wiki/Marmaray#Project

The 22 m long stainless steel cars will be formed into 10 and five-car EMUs.
http://www.railwaygazette.com/news/single-view/view/marmaray-train-contract-signed.html
5 x 72=360ft & 10 x 72=720ft