The contrails of an Airbus A340 jet, over London, England. Photographed by Adrian Pingstone in March 2007 and placed in the public domain.
Adrian Pingstone <a href="//commons.wikimedia.org/wiki/User:Arpingstone" title="User:Arpingstone">Arpingstone</a>
28 March 2007 (original upload date)
<span class="int-own-work" lang="en">Own work</span>