Natural wonders are incredible but impermanent things. Here are a few we've recently lost, and some you'll want to visit before it's too late https://on.natgeo.com/2OAJmFi

Natural wonders are incredible but impermanent things. Here are a few we've recently lost, and some you'll want to visit before it's too late https://on.natgeo.com/2OAJmFi 

https://twitter.com/NatGeoTravel/status/1042005458347851777