(From L to R) President of Belarus Alexander Lukashenko, Kazakh President Kassym-Jomart Tokayev, Armenian Prime Minister Nikol Pashinyan, Kyrgyz President Sooronbay Jeenbekov and Russian President Vladimir Putin attend the session of the Supreme Eurasian Economic Council in Yerevan, capital of Armenia, Oct. 1, 2019. The session of the Supreme Eurasian Economic Council kicked off on Tuesday in Yerevan. (Photo: Gevorg Ghazaryan/Xinhua)

Russian President Vladimir Putin (1st L) attends a welcoming ceremony before the session of the Supreme Eurasian Economic Council in Yerevan, capital of Armenia, Oct. 1, 2019. The session of the Supreme Eurasian Economic Council kicked off on Tuesday in Yerevan. (Photo: Gevorg Ghazaryan/Xinhua)

Russian President Vladimir Putin (C), Iranian President Hassan Rouhani (R) and Armenian Prime Minister Nikol Pashinyan attend the session of the Supreme Eurasian Economic Council in Yerevan, capital of Armenia, Oct. 1, 2019. The session of the Supreme Eurasian Economic Council kicked off on Tuesday in Yerevan. (Photo: Gevorg Ghazaryan/Xinhua)