Russian President Vladimir Putin (C, front), Prime Minister Dmitry Medvedev (L, front) and Defence Minister Sergei Shoigu (R, front) attend a wreath laying ceremony to mark the Defender of the Fatherland Day at the Tomb of the Unknown Soldier by the Kremlin wall in central Moscow, Russia, February 23, 2016. REUTERS/Sergei Karpukhin – RTX2858B