NEW YORK, NY - NOVEMBER 1: People wearing costumes walk at the Sixth Avenue as they celebrate the Halloween in New York, United States on November 1, 2016. ( Volkan Furuncu - Anadolu Agency )

NEW YORK, NY - NOVEMBER 1: People wearing costumes walk at the Sixth Avenue as they celebrate the Halloween in New York, United States on November 1, 2016. ( Volkan Furuncu - Anadolu Agency )

NEW YORK, NY - NOVEMBER 1: People wearing costumes walk at the Sixth Avenue as they celebrate the Halloween in New York, United States on November 1, 2016. ( Volkan Furuncu - Anadolu Agency )

NEW YORK, NY - NOVEMBER 1: People wearing costumes walk at the Sixth Avenue as they celebrate the Halloween in New York, United States on November 1, 2016. ( Volkan Furuncu - Anadolu Agency )

NEW YORK, NY - NOVEMBER 1: People wearing costumes walk at the Sixth Avenue as they celebrate the Halloween in New York, United States on November 1, 2016. ( Volkan Furuncu - Anadolu Agency )

NEW YORK, NY - NOVEMBER 1: People wearing costumes walk at the Sixth Avenue as they celebrate the Halloween in New York, United States on November 1, 2016. ( Volkan Furuncu - Anadolu Agency )

NEW YORK, NY - NOVEMBER 1: People wearing costumes walk at the Sixth Avenue as they celebrate the Halloween in New York, United States on November 1, 2016. ( Volkan Furuncu - Anadolu Agency )

NEW YORK, NY - NOVEMBER 1: People wearing costumes walk at the Sixth Avenue as they celebrate the Halloween in New York, United States on November 1, 2016. ( Volkan Furuncu - Anadolu Agency )

NEW YORK, NY - NOVEMBER 1: People wearing costumes walk at the Sixth Avenue as they celebrate the Halloween in New York, United States on November 1, 2016. ( Volkan Furuncu - Anadolu Agency )

NEW YORK, NY - NOVEMBER 1: People wearing costumes walk at the Sixth Avenue as they celebrate the Halloween in New York, United States on November 1, 2016. ( Volkan Furuncu - Anadolu Agency )

NEW YORK, NY - NOVEMBER 1: People wearing costumes walk at the Sixth Avenue as they celebrate the Halloween in New York, United States on November 1, 2016. ( Volkan Furuncu - Anadolu Agency )

NEW YORK, NY - NOVEMBER 1: People wearing costumes walk at the Sixth Avenue as they celebrate the Halloween in New York, United States on November 1, 2016. ( Volkan Furuncu - Anadolu Agency )

VIENNA, AUSTRIA - OCTOBER 31 : People wearing costumes walk at Prater Luna Park as they celebrate the Halloween in Vienna, Austria on October 31, 2016. ( Hasan Tosun - Anadolu Agency )

VIENNA, AUSTRIA - OCTOBER 31 : People wearing costumes walk at Prater Luna Park as they celebrate the Halloween in Vienna, Austria on October 31, 2016. ( Hasan Tosun - Anadolu Agency )

VIENNA, AUSTRIA - OCTOBER 31 : People wearing costumes walk at Prater Luna Park as they celebrate the Halloween in Vienna, Austria on October 31, 2016. ( Hasan Tosun - Anadolu Agency )

VIENNA, AUSTRIA - OCTOBER 31 : People wearing costumes walk at Prater Luna Park as they celebrate the Halloween in Vienna, Austria on October 31, 2016. ( Hasan Tosun - Anadolu Agency )

VIENNA, AUSTRIA - OCTOBER 31 : People wearing costumes walk at Prater Luna Park as they celebrate the Halloween in Vienna, Austria on October 31, 2016. ( Hasan Tosun - Anadolu Agency )

VIENNA, AUSTRIA - OCTOBER 31 : People wearing costumes walk at Prater Luna Park as they celebrate the Halloween in Vienna, Austria on October 31, 2016. ( Hasan Tosun - Anadolu Agency )

VIENNA, AUSTRIA - OCTOBER 31 : People wearing costumes walk at Prater Luna Park as they celebrate the Halloween in Vienna, Austria on October 31, 2016. ( Hasan Tosun - Anadolu Agency )

VIENNA, AUSTRIA - OCTOBER 31 : People wearing costumes walk at Prater Luna Park as they celebrate the Halloween in Vienna, Austria on October 31, 2016. ( Hasan Tosun - Anadolu Agency )

VIENNA, AUSTRIA - OCTOBER 31 : People wearing costumes walk at Prater Luna Park as they celebrate the Halloween in Vienna, Austria on October 31, 2016. ( Hasan Tosun - Anadolu Agency )

TOKYO, JAPAN - OCTOBER 31 : People wearing costumes walk in Tokyo street as they take part to many events to celebrate the Halloween in Tokyo, Japan, in the middle of the night on October 31, 2016. ( David Mareuil - Anadolu Agency )

TOKYO, JAPAN - OCTOBER 31 : People wearing costumes walk in Tokyo street as they take part to many events to celebrate the Halloween in Tokyo, Japan, in the middle of the night on October 31, 2016. ( David Mareuil - Anadolu Agency )

TOKYO, JAPAN - OCTOBER 31 : People wearing costumes walk in Tokyo street as they take part to many events to celebrate the Halloween in Tokyo, Japan, in the middle of the night on October 31, 2016. ( David Mareuil - Anadolu Agency )

BEIRUT, LEBANON - OCTOBER 29 : People in costumes walk on the streets during halloween celebration in Beirut, Lebanon on October 29, 2016. ( Ratib Al Safadi - Anadolu Agency )

BEIRUT, LEBANON - OCTOBER 29 : People in costumes walk on the streets during halloween celebration in Beirut, Lebanon on October 29, 2016. ( Ratib Al Safadi - Anadolu Agency )

BEIRUT, LEBANON - OCTOBER 29 : People in costumes walk on the streets during halloween celebration in Beirut, Lebanon on October 29, 2016. ( Ratib Al Safadi - Anadolu Agency )

BEIRUT, LEBANON - OCTOBER 29 : People in costumes walk on the streets during halloween celebration in Beirut, Lebanon on October 29, 2016. ( Ratib Al Safadi - Anadolu Agency )

CHICAGO, IL - OCTOBER 23: People wearing costumes are seen during a halloween parade on October 23, 2016 ahead of Halloween, at Grant Park, Chicago. Halloween is an annual holiday celebrated on October 31. ( Bilgin S. Şaşmaz - Anadolu Agency )

CHICAGO, IL - OCTOBER 23: People wearing costumes are seen during a halloween parade on October 23, 2016 ahead of Halloween, at Grant Park, Chicago. Halloween is an annual holiday celebrated on October 31. ( Bilgin S. Şaşmaz - Anadolu Agency )

MEXICO CITY, MEXICO - OCTOBER 21: Masks depicting U.S. Republican presidential candidate, Donald Trump are displayed for sale at a Halloween costume store in Mexico City, Mexico on October 21, 2016. ( Daniel Cardenas - Anadolu Agency )