MOSCOW, RUSSIA - DECEMBER 15: A Christmas tree is seen at the GUM shopping mall as people buy Christmas gifts in Moscow, Russia on December 15, 2014. (Photo by Sefa Karacan/Anadolu Agency/Getty Images)
MOSCOW, RUSSIA - DECEMBER 15: A Christmas tree is seen at the GUM shopping mall as people buy Christmas gifts in Moscow, Russia on December 15, 2014. (Photo by Sefa Karacan/Anadolu Agency/Getty Images)