grass grassland landscape livestock pack animal terrestrial animal wildlife working animal donkey fawn fence snout horn like mammal mammalfarm nature animal canada carry cliff conifers forest horse mammal mountain pack pack-horse peak rock Rockies Rocky Mountains saddle snow summit track trail transport tree view animals cabin Camp camping climb craggy equipment extreme hard haul hike hiker hills Himalayas Incredible India mountains Pack Horse Pack Mule path route rugged tent tough Trek work beast of burden India khacchar krayker Ladakh mule Pack Mules bellwether bevy brood drove meadow muster sheep sheeps wool