集団安全保障条約
On August 20, 2010, The Khanjyan gallery of the Cafesjian Center for the Arts hosted the informal meeting of the Collective Security Treaty Organization (CSTO) member states. The meeting was attended by the President of Armenia, Serzh Sargsyan; the President of the Russian Federation, Dmitriy Medvedev; the President of Kazakhstan, Nursultan Nazarbayev; the President of Tajikistan, Emomali Rakhmon; the interim leader of Kyrgyzstan, Rosa Otunbayeva, as well as the Secretary General of the Collective Security Treaty Organization, Nikolay Bordyuzha.