A person dressed up as a zombie attends a "zombie walk" on Halloween in Essen, Germany, October 31, 2019.
People in costume participate in the 46th Annual Village Halloween Parade in Manhattan, New York City, U.S., October 31, 2019.
People in costume participate in the 46th Annual Village Halloween Parade in Manhattan, New York City, U.S., October 31, 2019.
People dressed as cows walk toward the Tompkins Square Halloween Dog Parade in Manhattan, New York City, U.S., October 20, 2019.
A person dressed up as a zombie attends a "zombie walk" on Halloween in Essen, Germany, October 31, 2019.
A view of the Baylor Bears students in Halloween costume during the game between the Bears and the West Virginia Mountaineers at McLane Stadium. Mandatory Credit: Jerome Miron-USA TODAY Sports.
A participant wearing a costume and make-up attends a Halloween parade at Walibi park in Wavre, Belgium, October 25, 2019.
A participant wearing a costume attends a Halloween party at a village in Bangkok, Thailand, October 31, 2019.
Participants attend a Halloween party at a village in Bangkok, Thailand, October 31, 2019.
A man in costume takes the subway to the 46th Annual Village Halloween Parade in Manhattan, New York City, U.S., October 31, 2019.
A participant wearing a costume and make-up attends a Halloween parade at Walibi park in Wavre, Belgium, October 25, 2019.
Winter triumphs over Summer at the Samhuinn Fire Festival at Calton Hill Edinburgh.Scotland, Britain October 31, 2019.
A participant takes part in a "Zombie Walk" parade to celebrate upcoming Halloween in Kiev, Ukraine October 26, 2019.
Participants dressed as zombies take part in a "Zombie Walk" parade to celebrate upcoming Halloween in Kiev, Ukraine October 26, 2019.
A participant wearing a costume and make-up attends a Halloween party at a village in Bangkok, Thailand, October 31, 2019.
Participants wearing costumes attend a Halloween party at a village in Bangkok, Thailand, October 31, 2019.
A passenger wearing Halloween make-up sits on a bus as the bus is stopped by anti-government protesters during a protest on Halloween day in Hong Kong, China October 31, 2019.
A participant wearing a costume and make-up attends a Halloween parade at Walibi park in Wavre, Belgium, October 31, 2019.
A man dressed as Britain's Prime Minister Boris Johnson is seen during the "End of the World Party" on the night Britain was due to leave the EU in London, Britain October 31, 2019.
Anti-government protesters wear Guy Fawkes masks during a Halloween march in Lan Kwai Fong, Central district, Hong Kong, China October 31, 2019.
Winter triumphs over Summer at the Samhuinn Fire Festival at Calton Hill Edinburgh.Scotland, Britain October 31, 2019.
An audience watches as people in costume participate in the 46th Annual Village Halloween Parade in Manhattan, New York City, U.S., October 31, 2019.
A participant wearing a costume and make-up attends a Halloween party at a village in Bangkok, Thailand, October 31, 2019.
A person dressed up as a zombie attends a "zombie walk" on Halloween in Essen, Germany, October 31, 2019.
A participant wearing a costume and make-up attends a Halloween parade at Walibi park in Wavre, Belgium, October 31, 2019.
A person paints a child's face during Halloween celebrations in La Paz, Bolivia, October 31, 2019.
A man dressed in costume for Halloween walks through Times Square during the evening rush in Manhattan, in New York City, U.S., October 31, 2019.
People in costume participate in the 46th Annual Village Halloween Parade in Manhattan, New York City, U.S., October 31, 2019.
People in costume gather in Union Square after the 46th Annual Village Halloween Parade in Manhattan, New York City, U.S., October 31, 2019.
People in costume participate in the 46th Annual Village Halloween Parade in Manhattan, New York City, U.S., October 31, 2019.
People in costume participate in the 46th Annual Village Halloween Parade in Manhattan, New York City, U.S., October 31, 2019.
A child dressed in costume for Halloween crosses through Times Square during the evening rush in Manhattan, in New York City, U.S., October 31, 2019.
A participant wearing a costume and make-up attends a Halloween party at a village in Bangkok, Thailand, October 31, 2019.
Participants wearing costumes attend a Halloween party at a village in Bangkok, Thailand, October 31, 2019.
A kid dressed as the Joker is pictured during Halloween celebrations in La Paz, Bolivia, October 31, 2019.
A participant wearing a costume and make-up attends a Halloween party at a village in Bangkok, Thailand, October 31, 2019.
Here comes Halloween