The Head of the International Atomic Energy Agency has visited the controversial Parchin military site in Iran. Yukiya Amano arrived in Tehran on Sunday on what western diplomats say is a key visit if an agreement on the Iranian nuclear program is to come into effect.______________ BBC news. 国际原子能机构总干事访问伊朗备受争议的帕尔钦军事设施.天野之弥在周日到达德黑兰,西方外交认为如果伊朗核协议能够实施,那么此次访问意义重大.__________________英国广播公司新闻.
