![](http://www.alamy.com/thumbs/6/F5B9CBCE-5C97-4CE0-AB42-F786B94DB006/HA511M.jpg)
A blue sky heavily marked by aircraft vapour trails
Size: 7941px × 3876px
Photo credit: © Mike P Shepherd / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: blemish, cloud, condensation, contrail, crossing blue, exhaust, lines, mark, pollution, scar, sky, trail, vapor