Greek Prime Minister Alexis Tsipras (R) attends a Christmas activity held by children from the music school of Athens, Greece, on Dec. 24, 2016.(Xinhua/Marios Lolos)
Greek Prime Minister Alexis Tsipras (R) attends a Christmas activity held by children from the music school of Athens, Greece, on Dec. 24, 2016.(Xinhua/Marios Lolos)