Once she was able to get out into nature, Penni the pit bull was herself again—now she's climbing mountains like a born adventurer http://on.natgeo.com/2k7YFaE

Once she was able to get out into nature, Penni the pit bull was herself again—now she's climbing mountains like a born adventurer http://on.natgeo.com/2k7YFaE 

https://twitter.com/NatGeoTravel/status/938906031400374272