Trans-Caucasus Railway - S3.E4
Chris Tarrant travels on the historically Soviet Trans-Caucasus Railway, beginning in the Azerbaijani city of Baku before exploring the Geogian capital Tbilisi's vintage metro system, then a mountain rail bridge designed by Eiffel, and finally a tunnel reputed to be held together with egg yolk.
Trans-Caucasus Railway - S3.E4
November 21, 2016
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