Greek Prime Minister Alexis Tsipras (C) pose for photos with children from the music school of Athens in Athens, Greece, on Dec. 24, 2016. (Xinhua/Marios Lolos)
Greek Prime Minister Alexis Tsipras (C) pose for photos with children from the music school of Athens in Athens, Greece, on Dec. 24, 2016. (Xinhua/Marios Lolos)