MOSCOW, RUSSIA - DECEMBER 22: Gazprom headquarters building is seen in Moscow, Russia on December 22, 2015. (Photo by Nikita Shvetsov/Anadolu Agency/Getty Images)
MOSCOW, RUSSIA - DECEMBER 22: Gazprom headquarters building is seen in Moscow, Russia on December 22, 2015. (Photo by Nikita Shvetsov/Anadolu Agency/Getty Images)