Washington, D.C., US
U.S. President Donald Trump and First Lady Melania Trump play host to costumed trick-or-treaters at the White House on Oct. 30.
Erbil, Iraq
People celebrate Halloween at a mall on Oct 31.
New York City, New York, US
A man dressed in a clown costume is seen next to an NYPD officer during the 44rd Annual Halloween Parade on Oct. 31.
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