EDITORS' NOTE: Reuters and other foreign media are subject to Iranian restrictions on their ability to film or take pictures in Tehran.

Iranian clerics talk to each other during break time at a religious conference centre in Qom, 120 km (75 miles) south of Tehran, March 9, 2011. The clerics are attending the International Conference of Religious Doctrines and the Mind-Body Problem. REUTERS/Morteza Nikoubazl (IRAN - Tags: RELIGION SOCIETY)