![](http://www.alamy.com/thumbs/6/4E5B46BE-9383-483F-9719-828494AB53CE/2B7HENX.jpg)
blue summer sky with contrails in the sky
Size: 5760px × 3840px
Photo credit: © Norbert Dr. Lange / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: autumn, blue, brown, cloud, clouds, colored, colorful, distance, expanse, forests, formations, freedom, green, landscape, leaves, overview, panorama, panoramic, sauerland, siegen, siegerland, sky, trees, view, yellow