Antonio Maria Costa, director of the U.N. Office on Drugs and Crime (UNDOC), feels the weight of a bag of opium on display during a ceremony concluding anti-narcotics manoeuvres in Zahedan, 1,605 kilometres (1,003 miles) southeast of Tehran May 20, 2009. The head of the U.N. crime agency praised Iran during a visit on Wednesday for curbing the flow of smuggled heroin from Afghanistan and helping keep the drug off Western streets. REUTERS/Caren Firouz (IRAN CRIME LAW POLITICS SOCIETY)