animal cattle cow cows dolomites farm forest graze grazing herd Italy landscape life mammal misty mountain mountains natural nature panorama pasture quality town view village altitude America cascades conifers evening green height high light ridge snow trees usa valley canada chasm conifer current descent drop entrance fall flow gorge montane opening pour river Rockies Rocky Mountains surge tree water cave cliff danger erosion Greece Greek rock steep aspen bark deciduous populus white blue brown dead dried grey hillside lifeless Poland spruce Sudety boulder coast landslide slope Whistler autumn color countryside fog foggy hill orange oxygen red rusty three threes yellow alps alpsee bavaria castle hohenschwangau castle neuschwanstein germany panoramic