US Secretary of State Rex Tillerson boards his plane at Cologne Bonn Airport, western Germany, as he leaves after a meeting of Foreign Ministers of the G20 leading and developing economies on February 17, 2017. AFP / Brendan Smialowski
US Secretary of State Rex Tillerson boards his plane at Cologne Bonn Airport, western Germany, as he leaves after a meeting of Foreign Ministers of the G20 leading and developing economies on February 17, 2017. AFP / Brendan Smialowski