A supporter of former Prime Minister and Iran's upcoming presidential election candidate Mirhossein Mousavi sits under a campaign poster with pictures of Mousavi (R), Iran's Late Leader Ayatollah Ruhollah Khomeini (C) and Supreme Leader Ayatollah Ali Khamenei, at a campaign centre for Mousavi in Ardabil, 839 km (524 miles) north-west of Tehran, June 1, 2009. REUTERS/Morteza Nikoubazl (IRAN POLITICS ELECTIONS)