The Foreign ministers of the 57 member states of the Organisation for Security and Co-Operation in Europe OSCE, pose for a family pictures prior to the start of the 24th OSCE Ministerial Council in Vienna, on December 07, 2017. At (C) int the front row (L-R): Russian foreign minister Sergei Lavrov, the OSCE Secretary-General Thomas Greminger, Austrian Foreign Minister and current OSCE Chairman Sebastian Kurz and US Secretary of State Rex Tillerson. ?Foreign ministers of the OSCE's 57 member states including US Secretary of State Rex Tillerson and Russian counterpart Sergei Lavrov hold the annual conference, during which the conflict in Ukraine will likely be a major topic. / AFP PHOTO / VLADIMIR SIMICEK