November 30, 2017. Russian President Vladimir Putin during the welcoming ceremony for heads of delegations of the Collective Security Treaty Organization member-states. From left: President of Belarus Alexander Lukashenko, President of Tajikistan Enomali Rahmon and President of Kyrgyzstan Sooronbai Zheenbekov. From right: President of Kazakhstan Nursultan Nazarbayev and President of Armenia Serzh Sargsyan.