Students of the special military school of Saint-Cyr march during the traditional Bastille Day military parade on the Champs-Elysees Avenue in Paris, France, July 14, 2019.

A tank rolls down the Champs-Elysees Avenue during the traditional Bastille Day military parade in Paris, France, July 14, 2019.

Portugal's President Marcelo Rebelo de Sousa, French President Emmanuel Macron and his wife Brigitte Macron, French Prime Minister Edouard Philippe attend the traditional Bastille Day military parade on the Champs-Elysees Avenue in Paris, France, July 14, 2019.

Members of the French National gendarmerie officers school march during the traditional Bastille Day military parade on the Champs-Elysees Avenue in Paris, France, July 14, 2019.

Students of the Ecole Polytechnique (Special military school of Polytechnique) march during the traditional Bastille Day military parade on the Champs-Elysees Avenue in Paris, France, July 14, 2019.

French President Emmanuel Macron gestures next to Army Chief Staff General Francois Lecointre as they review troops before the start of the Bastille Day military parade at the Champs-Elysees avenue in Paris, France July 14, 2019. Picture taken July 14, 2019. Eliot Blondet/Pool via REUTERS

French President Emmanuel Macron and Chief of the Defense Staff of the French Army General Francois Lecointre arrive in a command car for the traditional Bastille Day military parade on the Champs-Elysees Avenue in Paris, France, July 14, 2019.

Soldiers of the Franco-German Brigade march during the traditional Bastille Day military parade on the Champs-Elysees Avenue in Paris, France, July 14, 2019.

Dutch Prime Minister Mark Rutte, German Chancellor Angela Merkel, Portugal's President Marcelo Rebelo de Sousa and French President Emmanuel Macron attend the traditional Bastille Day military parade on the Champs-Elysees Avenue in Paris, France, July 14, 2019.

Frecnh republican guards on horses ride down the Champs-Elysees Avenue during the traditional Bastille Day military parade in Paris, France, July 14, 2019.

France's President Emmanuel Macron stands in an Acmat VLRA vehicle next to French army's chief of staff General Francois Lecointre as they review troops before the start of the Bastille Day military parade down the Champs-Elysees avenue in Paris, France July 14, 2019. Ludovic Marin/Pool via REUTERS TPX IMAGES OF THE DAY

Helicopters fly over the Champs-Elysees Avenue and the Arc de Triomphe during the traditional Bastille Day military parade in Paris, France, July 14, 2019.

Alpha jets from the French Air Force Patrouille de France fly during the traditional Bastille Day military parade on the Champs-Elysees Avenue in Paris, France, July 14, 2019.

An empty Champs-Elysees Avenue is seen after the traditional Bastille Day military parade in Paris, France, July 14, 2019.

Franky Zapata flies on a Flyboard near the Eiffel Tower during the traditional Bastille Day military parade on the Champs-Elysees Avenue in Paris, France, July 14, 2019.

France's President Emmanuel Macron greets a disabled French soldier at the end of the annual Bastille Day military parade on the Champs Elysees avenue in Paris, France July 14, 2019. Ludovic Marin/Pool via REUTERS

French President Emmanuel Macron embraces German Chancellor Angela Merkel during the Bastille Day parade on the Champs Elysees avenue in Paris, France July 14, 2019. Kamil Zihnioglu/Pool via REUTERS

Pioneers of the Foreign Legion regiment march during the traditional Bastille Day military parade on the Champs-Elysees Avenue in Paris, France, July 14, 2019.

Students of the Ecole Polytechnique (Special military school of Polytechnique) march during the traditional Bastille Day military parade on the Champs-Elysees Avenue in Paris, France, July 14, 2019.

European troops attend the traditional Bastille Day military parade on the Champs-Elysees Avenue in Paris, France, July 14, 2019.

Alpha jets from the French Air Force Patrouille de France fly during the traditional Bastille Day military parade on the Champs-Elysees Avenue in Paris, France, July 14, 2019.

The Cavalry Regiment of the French Republican Guard parades during the traditional Bastille Day military parade on the Champs-Elysees Avenue in Paris, France, July 14, 2019.

Students of the Ecole Nationale des Sous-officiers d'Active march during the traditional Bastille Day military parade on the Champs-Elysees Avenue in Paris, France, July 14, 2019.

France's President Emmanuel Macron greets people as he leaves at the end of the annual Bastille Day military parade down the Champs-Elysees avenue in Paris, France July 14, 2019. Ludovic Marin/Pool via REUTERS

French Navy soldiers march during the traditional Bastille Day military parade on the Champs-Elysees Avenue in Paris, France, July 14, 2019.

A French Army drone is seen during the traditional Bastille Day military parade on the Champs-Elysees Avenue in Paris, France, July 14, 2019.

Soldiers of the 132e cynotechnic infantry regiment march with their dogs during the traditional Bastille Day military parade on the Champs-Elysees Avenue in Paris, France, July 14, 2019.

French and Spanish Gendarmes march during the traditional Bastille Day military parade on the Champs-Elysees Avenue in Paris, France, July 14, 2019.

French armoured vehicles drive down the Champs-Elysees Avenue during the traditional Bastille Day military parade in Paris, France, July 14, 2019.

Fireworks explode in the sky above the Eiffel Tower, in a picture taken from the Shangri-La Hotel, Paris, at the end of Bastille Day events in Paris, France, July 14, 2019.

Spanish soldiers march during the traditional Bastille Day military parade on the Champs-Elysees Avenue in Paris, France, July 14, 2019.

Students of the Ecole des Mousses march during the traditional Bastille Day military parade on the Champs-Elysees Avenue in Paris, France, July 14, 2019.

French President Emmanuel Macron gestures next to Army Chief Staff General Francois Lecointre as they review troops before the start of the Bastille Day military parade at the Champs-Elysees avenue in Paris, France July 14, 2019. Picture taken July 14, 2019. Eliot Blondet/Pool via REUTERS