From left, Armenian Prime Minister Nikol Pashinyan, Belarusian President Alexander Lukashenko, Kazakhstan's President Kassym-Jomart Tokayev, Kyrgyz President Sadyr Japarov, Russian President Vladimir Putin, Tajik President Emomali Rahmon, Turkmen President Serdar Berdimuhamedov and Uzbek President Shavkat Mirziyoyev take part in a wreath-laying ceremony on Victory Day, which marks the 78th anniversary of the victory over Nazi Germany in World War Two, at the Tomb of the Unknown Soldier by the Kremlin wall, in Moscow, Russia.