With a little prep, four-legged friends can be great hiking companions http://on.natgeo.com/2ikhKbP pic.twitter.com/wN7VEkYoob

With a little prep, four-legged friends can be great hiking companions http://on.natgeo.com/2ikhKbP  http://pic.twitter.com/wN7VEkYoob

https://twitter.com/NatGeoTravel/status/899783340894470145