epa04690080 (L-R) Chinese Wang Qun, Chief negotiator and Director-General of the Department of Arms Control of Chinese Ministry of Foreign Affairs, French Foreign Minister Laurent Fabius, German Minister of Foreign Affairs Frank-Walter Steinmeier, EU High Representative for Foreign Affairs and Security Policy Federica Mogherini, Iranian Foreign Minister Mohammad Javad Zarif, unidentified Russian delegate, British Foreign Secretary Philip Hammond and US Secretary of State John Kerry, poses for a group picture during a press event after the end of a new round of Nuclear Iran Talks in the Learning Center at the Swiss federal Institute of Technology (EPFL), in Lausanne, Switzerland, 02 April 2015. EPA/JEAN-CHRISTOPHE BOTT