Iran's head of the country's Atomic Energy Organization, Salehi, speaks during a seminar at the Japan...
Iran's head of the country's Atomic Energy Organization, Ali Akbar Salehi speaks during a seminar at the Japan Institute of International Affairs in Tokyo, Japan, November 5, 2015. Iran has begun shutting down uranium enrichment centrifuges under the terms of a deal struck with six world powers in July on limiting its nuclear programme, Tehran's atomic energy chief said on November 2, 2015 during a visit to Tokyo. REUTERS/Yuya Shino