from uranium hexafluoride gas (UF6) to a level of 19.75 percent. Four other installations are crucial if Iran is to build a nuclear weapon: i) the Esfahan uranium conversion plant, where yellow cake is turned into uranium oxide and uranium hexafluoride; ii) the Natanz centrifuge complex; iii) the IR-4

express the challenges faced by contemporary Iranian society. Since 1998, Bijan has had a number of solo exhibitions, in cities including Tehran and Esfahan. I hope the above will satisfy your immediate needs. However, should you require further information, please let me know. Cheers, Shandad A bound

Tehran. It has a decrepit air force, antiquated air defenses, a vulnerable electrical grid, exposed nuclear sites (the uranium conversion plant at Esfahan, the heavy water facility at Arak, the reactor at Bushehr), and a vulnerable energy infrastructure on which its economy is utterly dependent. Even