In the last 50 years, hundreds of natural landmarks have drastically shape-shifted, never to return again http://on.natgeo.com/2xkQnAF

In the last 50 years, hundreds of natural landmarks have drastically shape-shifted, never to return again http://on.natgeo.com/2xkQnAF 

https://twitter.com/NatGeoTravel/status/916030331190435840