2016 OSCE Chairperson-in-Office

File photo: 2016 OSCE Chairperson-in-Office, Germany's Federal Minister for Foreign Affairs Frank-Walter Steinmeier. (photothek)

File photo: 2016 OSCE Chairperson-in-Office, Germany's Federal Minister for Foreign Affairs Frank-Walter Steinmeier. (photothek)

2016 OSCE Chairperson-in-Office, German Federal Minister for Foreign Affairs Frank-Walter Steinmeier (centre), alongside OSCE Secretary General Lamberto Zannier (centre right) at the margins of the first OSCE Permanent Council meeting, Vienna, 14 January 2016. (OSCE)

2016 OSCE Chairperson-in-Office, German Federal Minister for Foreign Affairs Frank-Walter Steinmeier (l), greets OSCE Secretary General Lamberto Zannier (r) at the margins of the first OSCE Permanent Council meeting, Vienna, 14 January 2016. (OSCE/Micky Kroell)

2016 OSCE Chairperson-in-Office, German Federal Minister for Foreign Affairs Frank-Walter Steinmeier, during a Permanent Council meeting, Vienna, 14 January 2016. (OSCE/Micky Kroell)

(L-r) 2016 OSCE Chairperson of the Permanent Council Ambassador Eberhard Pohl; OSCE Chairperson-in-Office, German Federal Minister for Foreign Affairs Frank-Walter Steinmeier: and Gernot Erler, Special Representative of the Federal Government of Germany for the OSCE Chairmanship in 2016, during the first Permanent Council meeting, Vienna, 14 January 2016. (OSCE)

The OSCE Chairperson was on an official visit to Tajikistan as part of his Central Asia tour which also included visits to Uzbekistan and Kyrgyzstan, Dushanbe, 1 April 2016. (OSCE/Nozim Kalandarov)

ODIHR Director Michael Georg Link with OSCE Chairperson-in-Office, German Foreign Minister Frank-Walter Steinmeier, Polish Foreign Minister Witold Waszczykowski and ODIHR staff, during their visit to the ODIHR headquarters in Warsaw, 19 April 2016 (Piotr Markowski)

OSCE Chairperson, German Foreign Minister Frank-Walter Steinmeier and Interior Minister Thomas de Maiziere, at the Counter-Terrorism Conference, Berlin, 31 May 2016. (Florian Gaertner)

(L-r) Ambassadors Pierre Andrieu, Ambassador Andrzej Kasprzyk, the OSCE Chairperson-in Office and German Foreign Minister Frank-Walter Steinmeier, and Ambassador Igor Popov in Berlin, 23 June 2016. (Auswaertiges Amt)

OSCE Chairperson-in-Office, German Foreign Minister Frank-Walter Steinmeier (l) visiting the OSCE Office in Yerevan, alongside the Head of the Office Ambassador Argo Avakov, 30 June 2016. (Florian Gaertner/photothek.net)

OSCE Chairperson-in-Office and German Foreign Minister Frank-Walter Steinmeier awarding a certificate of participation to one of eight interns from Georgia’s national minority communities, Tbilisi, 1 July 2016. (Florian Gaertner/photothek.net)

OSCE Chairperson-in-Office and Germany’s Foreign Minister Frank Walter Steinmeier (r) greets OSCE Secretary General Lamberto Zannier at the Informal Meeting of OSCE Foreign Ministers, Potsdam, 1 September 2016. (Thomas Trutschel/photothek.net)

Chairperson-in-Office, Frank-Walter Steinmeier, attends a "mine awareness kit" presentation at the OSCE patrol hub in Kramatorsk, 15 September 2016. ( Florian Gaertner / photohek)

OSCE Chairperson-in-Office and German Foreign Minister Frank-Walter Steinmeier delivering his opening speech at the OSCE Chairmanship Conference on Tolerance and Diversity, Berlin, 20 October 2016. (Photothek/Thomas Trutschel)

OSCE Chairperson-in-Office and German Foreign Minister Frank-Walter Steinmeier poses for a selfie with participants of a two-day youth conference, Berlin, 10-11 November 2016. (German Federal Foreign Office)

2016 OSCE Chairperson-in-Office and German Foreign Minister Frank-Walter Steinmeier at the opening press conference of the 23rd OSCE Ministerial Council, Hamburg, 8 December 2016. (Auswaertiges Amt/photothek.net)

OSCE Chairperson-in-Office and German Foreign Minister Frank-Walter Steinmeier in Hamburg before the 23rd OSCE Ministerial Council, 7 December 2016. (Auswaertiges Amt/photothek.net)

2016 OSCE Chairperson-in-Office and German Foreign Minister Frank-Walter Steinmeier welcomes Federica Mogherini, the High Representative of the European Union for Foreign Affairs and Security Policy, to the 23rd OSCE Ministerial Council, Hamburg, 8 December 2016. (Auswaertiges Amt/photothek.net)

OSCE Chairperson-in-Office and German Foreign Minister Frank-Walter Steinmeier at the opening session of the 23rd OSCE Ministerial Council, Hamburg, 8 December 2016. (Auswaertiges Amt/photothek.net)

OSCE Chairperson-in-Office and German Foreign Minister Frank-Walter Steinmeier working at the 23rd OSCE Ministerial Council, Hamburg, 8 December 2016. (Auswaertiges Amt/photothek.net)

OSCE Foreign Ministers and Heads of Delegations pose for a family photo at the 23rd Ministerial Council in Hamburg, 8 December 2016. (Auswaertiges Amt/photothek.net)

The 2016 OSCE Chairperson-in-Office and German Foreign Minister Frank-Walter Steinmeier (r) at "The Crisis in and around Ukraine - Challenges and OSCE Responses" side event on the margins of the 23rd OSCE Ministerial Council, Hamburg, 8 December 2016. (Auswaertiges Amt/photothek.net)