Russian servicemen stand next to a Russian Yars RS-24 intercontinental ballistic missile system before a rehearsal for the Victory Day parade, with the Moscow International Business Center also known as “Moskva-City” seen in the background, at a range in Moscow, Russia, May 5, 2016. (Photo by Maxim Shemetov/Reuters)

Revelers march during the Greenwich Village Halloween Parade, Tuesday, October 31, 2017, in New York. (Photo by Andres Kudacki/AP Photo)

A reveler waves a gay pride flag in front of the historic gay bar The Stonewall after the passing of a bill legalizing gay marriage in New York State on June 24, 2011 in New York City. New York State now joins Connecticut, Massachusetts, New Hampshire, Vermont, Iowa and Washington, D.C. in legally recognizing gay marriage. (Photo by Spencer Platt/Getty Images)

Members of Krewe Delusion, one of the the first parades of the Mardi Gras festivities, through the French Quarter of New Orleans January 31, 2015. (Photo by Lee Celano/Reuters)

Militant Islamist fighters take part in a military parade along the streets of Syria's northern Raqqa province June 30, 2014. The fighters held the parade to celebrate their declaration of an Islamic “caliphate” after the group captured territory in neighbouring Iraq, a monitoring service said. The Islamic State, an al Qaeda offshoot previously known as Islamic State in Iraq and the Levant (ISIL), posted pictures online on Sunday of people waving black flags from cars and holding guns in the air, the SITE monitoring service said. (Photo by Reuters/Stringer)

The Kung Fu Panda balloon is lifted before the 86th Annual Macy's Thanksgiving Day Parade November 22, 2012 in New York City. Macy's donated tickets and transportation to this year's Thanksgiving Day Parade to 5,000 people from neighborhoods hardest hit by Superstorm Sandy. (Photo by Charles Sykes/Associated Press)

Donny Golden shares a laugh with dancers from the Irish American Society during the 250th annual St. Patrick's Day parade March 17, 2011 in New York City. The parade honors the patron saint of Ireland and marched for the first time in the U.S. on March 17, 1762, fourteen years before the Declaration of Independence.

Men dressed as traditional Greek warriors participate in the annual Greek Independence Day Parade on Fifth Avenue on March 25, 2012 in New York City. It was the 191st annual parade which ran from 64th Street to 79th Street on Fifth Avenue and celebrates Greek heritage. (Photo by Andrew Burton/Getty Images)