pink and purple polar stratospheric clouds in a forest landscape, a weather phenomenon that rarely occurs in winter, beautiful

and atmosphere atmospheres atmospheric background beautiful chlorine civil cloud clouds cloudy colorful depleting depletion destruction effect effects forest hemisphere hole holes horizon iridescence landscape mother nacre nacreous nature northern occurs optics ozon ozone pearl phenomenon phenomenons pink polar psc pscs purple rare rarely season seasonal sky stratosphere stratospheric that trees twilight vibrant vivid weather winter woods