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ASTANA, KAZAKHSTAN JUNE 9 : (----EDITORIAL USE ONLY MANDATORY CREDIT - "ALEXEI NIKOLSKY / RUSSIAN PRESIDENTIAL PRESS AND INFORMATION OFFICE / HANDOUT" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) China's President Xi Jinping (L) , India's Prime Minister Narendra Modi (2nd L) , Afghanistan's President Ashraf Ghani Ahmadzai (Centre 2nd R) , Belarus' President Alexander Lukashenko (R), Kazakhstan's President Nursultan Nazarbayev (front L) , Russia's President Vladimir Putin (front R) pose for a group photo ahead of a meeting of the Shanghai Cooperation Organisation (SCO) Heads of State Council in Astana, Kazakhstan, on June 9, 2017. (Photo by Alexei Nikolsky/Russian Presidential Press and Information Office / Handout/Anadolu Agency/Getty Images)

ASTANA, KAZAKHSTAN  JUNE 9 : (----EDITORIAL USE ONLY  MANDATORY CREDIT - "ALEXEI NIKOLSKY / RUSSIAN PRESIDENTIAL PRESS AND INFORMATION OFFICE / HANDOUT" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) China's President Xi Jinping (L) , India's Prime Minister Narendra Modi (2nd L) , Afghanistan's President Ashraf Ghani Ahmadzai (Centre 2nd R)  , Belarus' President Alexander Lukashenko (R), Kazakhstan's President Nursultan Nazarbayev (front L) , Russia's President Vladimir Putin (front R) pose for a group photo ahead of a meeting of the Shanghai Cooperation Organisation (SCO) Heads of State Council in Astana, Kazakhstan, on June 9, 2017. 
 (Photo by Alexei Nikolsky/Russian Presidential Press and Information Office / Handout/Anadolu Agency/Getty Images)

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Afghanistan's President Hamid Karzai (R) walks with China's President Xi Jinping (L) as they review an honour guard during a welcoming ceremony at the Great Hall of the People in Beijing on September 27, 2013. Karzai was in Beijing for talks on bilateral cooperation with top Chinese leaders. AFP PHOTO / Ed Jones (Photo credit should read Ed Jones/AFP/Getty Images)

Afghanistan's President Hamid Karzai (R) walks with China's President Xi Jinping (L) as they review an honour guard during a welcoming ceremony at the Great Hall of the People in Beijing on September 27, 2013. Karzai was in Beijing for talks on bilateral cooperation with top Chinese leaders. AFP PHOTO / Ed Jones        (Photo credit should read Ed Jones/AFP/Getty Images)

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BEIJING, CHINA - JUNE 07: Chinese President Hu Jintao (R) greets Afghanistan President Hamid Karzai at the Shanghai Cooperation Organization (SCO) summit in the Great Hall of the People in Beijing on June 7, 2012. Central Asian leaders are visiting China for a meeting of the Shanghai Cooperation Organisation (SCO), a Central Asian grouping headed by Beijing and Moscow, with discussions focusing on approaches to Syria, Iran and the influence held by the United States in Asia. (Photo by Mark Ralston - Pool/Getty Images)

BEIJING, CHINA - JUNE 07:  Chinese President Hu Jintao (R) greets Afghanistan President Hamid Karzai at the Shanghai Cooperation Organization (SCO) summit in the Great Hall of the People in Beijing on June 7, 2012.  Central Asian leaders are visiting China for a meeting of the Shanghai Cooperation Organisation (SCO), a Central Asian grouping headed by Beijing and Moscow, with discussions focusing on approaches to Syria, Iran and the influence held by the United States in Asia. (Photo by Mark Ralston - Pool/Getty Images)

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MOSCOW, RUSSIA - MARCH 16, 2017: Afghanistan's Ambassador to Russia Abdul Qayum Kochi (L) presents credentials to Russia's President Vladimir Putin at a ceremony at the Alexander Hall of Moscow's Kremlin. Vyacheslav Prokofyev/TASS (Photo by Vyacheslav Prokofyev\TASS via Getty Images)

MOSCOW, RUSSIA - MARCH 16, 2017: Afghanistan's Ambassador to Russia Abdul Qayum Kochi (L) presents credentials to Russia's President Vladimir Putin at a ceremony at the Alexander Hall of Moscow's Kremlin. Vyacheslav Prokofyev/TASS (Photo by Vyacheslav Prokofyev\TASS via Getty Images)

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Russian Ambassador to Afghanistan Alexander Mantytskiy (centre L) and Afghan National Security Adviser Hanif Atmar (centre R) gather around a Russian aircraft during a ceremony at a military airfield in Kabul on February 24, 2016. Russia delivered 10,000 Kalashnikovs to the Afghan government on February 24, with officials saying they were for the fight "against terrorism", a day after the capital hosted talks trying to revive the peace process with the Taliban. The Soviet Union occupied Afghanistan from 1979 until 1989, in a conflict in which the Russian-made AK-47 rifle was widely used -- with an estimated one million civilians killed during the war as well as tens of thousands of fighters from both sides. AFP PHOTO / SHAH Marai / AFP / SHAH MARAI (Photo credit should read SHAH MARAI/AFP/Getty Images)

Russian Ambassador to Afghanistan Alexander Mantytskiy (centre L) and Afghan National Security Adviser Hanif Atmar (centre R) gather around a Russian aircraft during a ceremony at a military airfield in Kabul on February 24, 2016. Russia delivered 10,000 Kalashnikovs to the Afghan government on February 24, with officials saying they were for the fight "against terrorism", a day after the capital hosted talks trying to revive the peace process with the Taliban. The Soviet Union occupied Afghanistan from 1979 until 1989, in a conflict in which the Russian-made AK-47 rifle was widely used -- with an estimated one million civilians killed during the war as well as tens of thousands of fighters from both sides. AFP PHOTO / SHAH Marai / AFP / SHAH MARAI        (Photo credit should read SHAH MARAI/AFP/Getty Images)