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Keywords from Image Description:
Guyton plate UdvarHazy Center. LouisBernard Guyton de Morveau plate UdvarHazy Center Dulles International Airport Chantilly Virginia USA French plate from the First flight with dirigible balloon June Own Daderot Public domain LouisBernard Guyton de Morveau Balloon aircraft in art Balloonists in Steven UdvarHazy Center