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Photo taken on Dec. 21, 2019 shows fireworks at a Christmas tree lighting ceremony at the downtown Republic Square in Yerevan, Armenia. (Photo by Gevorg Ghazaryan/Xinhua)
Photo taken on Dec. 21, 2019 shows fireworks at a Christmas tree lighting ceremony at the downtown Republic Square in Yerevan, Armenia. (Photo by Gevorg Ghazaryan/Xinhua)