Russian President Vladimir Putin Attends Moscow Cathedral Mosque Opening [Getty Images]

MOSCOW, RUSSIA - SEPTEMBER 23: Russian President Vladimir Putin (R), Turkish President Tayyip Erdogan (C) and Palestine's President Mahmoud Abbas (L) attend an opening ceremony for the newly restored Moscow Cathedral Mosque on September 23, 2015 in Moscow, Russia. (Photo by Sasha Mordovets/Getty Images)

Getty Images News Sasha Mordovets