October 31 is Halloween in the United States, the eve of All Saints Day. Traditionally, children and young adults go door-to-door in search of treats. Here's how we're celebrating it - and we've included photos from countries who have similar celebrations around this day.
ພາບຂອງວັນ Halloween

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President Donald Trump and first lady Melania Trump hand out treats as they welcome children from the Washington area and children of military families to trick-or-treat celebrating Halloween, Oct. 30, 2017.

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President Donald Trump and first lady Melania Trump hand out treats as they welcome children from the Washington area and children of military families to trick-or-treat celebrating Halloween at the South Lawn of the White House in Washington,Oct. 30, 201

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The White House in Washington, is decorated with spiders and web for Halloween, Oct. 28, 2017.

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Festival goers in Halloween costumes attend the Voodoo Music Experience in City Park on Oct. 28, 2017, in New Orleans.