![](http://www.alamy.com/thumbs/6/BFF5E30F-29B3-4F87-99A9-9904DE7DD803/2HNB8YJ.jpg)
Polar stratospheric clouds (PSCs) on evening sky.
Size: 3648px × 4559px
Photo credit: © Johannes Hansen / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: afterglow, air, atmosphere, backlight, beautiful, beauty, black, blue, cloud, clouds, cloudscape, color, colourful, dark, evening, forest, heaven, meteorology, nature, orange, pine, silhouette, sky, stratospheric, sundown, sunset, tree, variety, vibrant, weather