Iran tightens grip to stem currency fall - Article Photos 5/5

In this picture taken on Saturday, July 14, 2012, an Iranian man with a bike walks at the main bazaar, in Tehran, Iran, as two textile merchants wait for customers. Police threatened merchants who closed their shops in Tehran's main bazaar and launched crackdowns on sidewalk money changers on Wednesday as part of a push to halt the plunge of Iran's currency, which has shed more than a third its value in less than a week.(AP Photo/Vahid Salemi)