epa04690081 US Secretary of State John Kerry (L), Iranian Foreign Minister Javad Zarif (R) and High Representative of the European Union for Foreign Affairs and Security Policy Federica Mogherini (C) arrive on stage for 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/LAURENT GILLIERON