FILE PHOTO: A Money changer poses for the camera with a U.S dollar and the amount being given when converting it into Iranian rials, at a currency exchange shop in Tehran’s business district A Money changer poses for the camera with a U.S dollar (R) and the amount being given when converting it into Iranian rials (L), at a currency exchange shop in Tehran’s business district, Iran, January 20, 2016. REUTERS/Raheb Homavandi/TIMA