Hidden beneath a secluded section of Europe, this city boasts the world's largest collection of wine—an impressive two million bottles http://on.natgeo.com/2AlgWZy

Hidden beneath a secluded section of Europe, this city boasts the world's largest collection of wine—an impressive two million bottles http://on.natgeo.com/2AlgWZy 

https://twitter.com/NatGeoTravel/status/936248601583513601