Hotels-live.com - Susie, a 20-something year old mare, grazes as her mane blows in the breeze on a hillside in Montana's Paradise Valley. iPhone photo by David Guttenfelder @dguttenfelder on assignment in the Greater Yellowstone Ecosystem for @natgeo @nat

Hotels-live.com - Susie, a 20-something year old mare, grazes as her mane blows in the breeze on a hillside in Montana's Paradise Valley. iPhone photo by David Guttenfelder @dguttenfelder on assignment in the Greater Yellowstone Ecosystem for @natgeo @natgeoparks @Hotelslive by natgeo instagram.com/p/s74jjgoVS1/ Follow #Instagram @Hotelspaschers instagram.com/hotelspaschers and @Voyageslive #Twitter #TeamFollowBack #Natgeo #Voyage #Travel #TFB #FollowTrick www.facebook.com/125048940862168/photos/a.801751693191886... via Hotels-live.com www.facebook.com/pages/p/125048940862168 #Retweet #TeamFollowBack #F4F #TityFollowTrain via http://flic.kr/p/pbz5oL