On Bastille Day, step back in time to learn the history behind one of the world’s most popular tourist attractions. http://on.natgeo.com/2v159N8

On Bastille Day, step back in time to learn the history behind one of the world’s most popular tourist attractions. http://on.natgeo.com/2v159N8 

https://twitter.com/NatGeoTravel/status/885937072422440960