ciao nickyuk,si, ecco qui un piccolo esempio di come si comporta:
http://www.youtube.com/watch?v=xv2YukaLOFEe questa e la descrizione associata al video.
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here is an excellent example of a contrail that dissapates as quickly as it appears, normal cloudless day, no wind, high altitude, same conditions where real chemtrails persist and spread out to cover the sky over 2 hours. This is not a chemtrail and dissapates within seconds.
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