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People burn dried oak branches during a ceremony in front of a Saint Sava temple in Belgrade, Serbia, on Jan. 6, 2020. Serbian Orthodox Christians celebrate Christmas on Jan. 7 this year. (Photo by Predrag Milosavljevic/Xinhua)
People burn dried oak branches during a ceremony in front of a Saint Sava temple in Belgrade, Serbia, on Jan. 6, 2020. Serbian Orthodox Christians celebrate Christmas on Jan. 7 this year. (Photo by Predrag Milosavljevic/Xinhua)