An amazing video has emerged of long contrails left by a Boeing 787 flying over the east coast of Russia. <br /><br />The footage, shot from a Boeing 747 on June 17, shows the condensation trails left 33,000 feet in the air. <br /><br />"This contrail looks dark against the rising sun," the filmer wrote online. <br /><br />He explained the trails are the result of hot exhaust mixing with cold air with a high moisture content.<br /><br />It appears the video has gone viral in the last 24 hours.