Kazakhstan’s First President Nursultan Nazarbayev presented Aug. 29 the Nazarbayev Prize for a Nuclear-Free-World and Global Security to the relatives of former International Atomic Energy Agency (IAEA) Director General Yukiya Amano, who passed away in July, and to the Comprehensive Nuclear-Test-Ban Treaty Organisation (CTBTO) Executive Secretary Lassina Zerbo in Nur-Sultan.