Forget asking, "Can you hear me now?" Take a personal retreat to one of these signal-free destinations. http://on.natgeo.com/2vtTKsa

Forget asking, "Can you hear me now?" Take a personal retreat to one of these signal-free destinations. http://on.natgeo.com/2vtTKsa 

https://twitter.com/NatGeoTravel/status/894226641626517504