A LITTLE SOMETHING WORTH KNOWING
A small discovery. Yours to pass on.
Local KnowledgeOne small ahaIstanbulThis Istanbul commuter railway crosses beneath the Bosphorus through an immersed-tube tunnel.
Think it. Then flip it.✳ ahamoraTap to reveal ↻Back to the cue ↶
Local KnowledgeOne small aha
Your new ahaMarmaray
✳ ahamoraReference ↗The cross-strait tunnel opened in 2013. Source: Marmaray ↗