mountain forest trees in bright fall colors background

alberta canada canadian graubunden grisons maple switzerland adventure autumn backdrop background beauty nature beech bright change colored colorful decidous dense design environment fall fir foilage forest glow green healthy hike hues landscape larch leaf leaves mountain orange outdoors park pattern scenic season seasonal sunlight sunlit surselva tones tree tops vibrant wallpaper warm warmth wood woodlands yellow beautiful mix stunning colours colour lerch trees shades red color colors texture