Russian President Vladimir Putin, fourth right, posing for a group photograph at the Collective Security Treaty Organization summit with the participation of delegations. From left: Armenian President Serzh Sargsyan, Belarusian President Alexander Lukashenko, Kazakhstan President Nursultan Nazarbaev, Kirghiz President Almazbek Atambaev; from right: CSTO General Secretary Nikolai Bordyuzha, Uzbekistan President Islam Karimov and Tajikistan President Emomali Rahmon.