French inventor and entreprenuer Franky Zapata 'flew' over the Champs-Elysees on a Flyboard in front of President Emmanuel Macron and other EU leaders on Sunday. /VCG Photo

Thousands of troops paraded down the Champs-Elysees as France celebrated Bastille Day. /VCG Photo

Zapata, a former jet-skiing champion, was holding a rifle, indicating the possible military usage of his jetpack-like device, during the annual parade. /VCG Photo

Macron was joined at Sunday's ceremony by European leaders including German Chancellor Angela Merkel. /VCG Photo