A jewellery shop in the Grand Bazaar in Tehran. With Iranians facing economic hardship, many hope a deal can reached with the US that paves the way to lifting sanctions. EPA
A jewellery shop in the Grand Bazaar in Tehran. With Iranians facing economic hardship, many hope a deal can reached with the US that paves the way to lifting sanctions. EPA

Iran holds 'significant potential' for foreign firms if nuclear deal struck, business leaders say