Spain's Prime Minister Mariano Rajoy attends a press conference at the end of a European Union Summit held at the EU Council building in Brussels, Belgium, on Dec. 15, 2016. (Xinhua/Gong Bing)
Spain's Prime Minister Mariano Rajoy attends a press conference at the end of a European Union Summit held at the EU Council building in Brussels, Belgium, on Dec. 15, 2016. (Xinhua/Gong Bing)