The Astana EXPO 2017 in the heart of Central Asia is dedicated to energy innovation with its futuristic architecture. World leaders attending the opening ceremony this month included Russian President Vladimir Putin, Spanish King Felipe VI, Indian Prime Minister Narendra Modi, Belarusian President Alexander Lukashenko, Kazakh President Nursultan Nazarbayev, Chinese President Xi Jinping and Uzbek President Shavkat Mirziyoyev. (Associated Press/File)
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