Italian Prime Minister Paolo Gentiloni (L) and Greek Prime Minister Alexis Tsipras attend the European Union informal summit in Valletta, Malta, Feb. 3, 2017. (Xinhua/Jin Yu)
Italian Prime Minister Paolo Gentiloni (L) and Greek Prime Minister Alexis Tsipras attend the European Union informal summit in Valletta, Malta, Feb. 3, 2017. (Xinhua/Jin Yu)