U.S. Secretary of State Kerry, Britain’s Foreign Secretary Hammond, Russian Foreign Minister Lavrov, Iranian FM Zarif and German FM Steinmeier, French FM Fabius, EU envoy Ashton and Chinese FM Wang pose for photographers before a meeting in Vienna

U.S. Secretary of State John Kerry, Britain’s Foreign Secretary Philip Hammond, Russian Foreign Minister Sergei Lavrov, Iranian Foreign Minister Javad Zarif, German Foreign Minister Frank-Walter Steinmeier, French Foreign Minister Laurent Fabius, EU envoy Catherine Ashton and Chinese Foreign Minister Wang Yi (LtoR) pose for photographers before a meeting in Vienna November 24, 2014. REUTERS/Leonhard Foeger