Belarus president Alexander Lukashenko (from left to right), Kazakh president Nursultan Nazarbayev, Kyrgyz president Roza Otunbayeva, Armenian president Serzh Sargsyan, Russian president Dmitry Medvedev, Tajik president Emomalii Rahmon and Secretary general of CSTO Nikolai Bordyuzha making official photoes at informal meeting of heads of Collective Security Treaty Organization member states (CSTO). August 20, 2010.
