Happy Halloween!
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Participants wearing zombie makeup perform during a Halloween event at Tokyo Tower in Tokyo, Oct. 31, 2013.
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Participants wearing costumes and make-up as zombies wait for a train at a subway station after a Halloween event to promote the U.S. TV series "The Walking Dead" in Tokyo, Oct. 31, 2013.
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The South Portico of the White House in Washington decorated and lit in orange lights for Halloween, Oct. 30, 2013.
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People wear ghost costumes as they join a Halloween Parade in Marikina city, east of Manila, Philippines, Oct. 30, 2013.
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Sydney Muslim community leader Jamal Rifi, center, and his family members pray at a makeshift memorial after a siege at Martin Place in the central business district of Sydney, Australia Tuesday, Dec. 16, 2014.
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A baboon eats a Halloween pumpkin at the Hagenbeck Zoo in Hamburg, northern Germany, Oct. 29, 2013.
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A diver in a skeleton costume dives during a media opportunity to mark Halloween at the Sea Life aquarium in Berlin, Oct. 28, 2013.
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Children dressed in costumes take part in Manila's Ocean Park annual Trick or Treat event, Philippines.
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Marius Petrulis, 35, competes dressed as a chicken in the ZJ Boarding House Halloween Surf Contest in Santa Monica, California, Oct. 26, 2013.