Italian Air Force’s aerobatic unit. 意大利空軍特技飛行單位

Green, white and red smoke in the colours of the Italian flag are left in the sky of Rome by the Italian Air Force aerobatic unit 'Frecce Tricolori' marking the anniversary of Italian national unification in Rome.
March 17, 2014
http://www.voanews.com/media/photogallery/day-in-photos-march-17-2014/1873015.html

Vincenzo Pinto/AFP
Italian Air Force marks national unification
The Italian Air Force’s aerobatic unit “Frecce Tricolori” marks the anniversary of Italian national unification
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