A Mandaean priest baptises a worshipper in the Tigris river during the Benja festival in Baghdad March 16, 2012. Benja is a five-day religious holiday celebrated by Mandaeans, a monotheistic religion historically practised around the lower Euphrates and Tigris, and the rivers surrounding the Shatt-al-Arab waterway, part of southern Iraq and Khuzestan Province in Iran. REUTERS/Saad Shalash (IRAQ - Tags :)