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Visitors interact with costumed actors during the annual Fright Nights event at Pacific National Exhibition in Vancouver, Canada, Oct. 5, 2018. The event runs from Oct. 5 to 31. (Xinhua/Liang Sen)

Visitors interact with costumed actors during the annual Fright Nights event at Pacific National Exhibition in Vancouver, Canada, Oct. 5, 2018. The event runs from Oct. 5 to 31. (Xinhua/Liang Sen)