German Chancellor Angela Merkel (C) talks with Finnish Prime Minister Alexander Stubb (R, up) while attending the family photo session of European Union (EU) summit in Brussels, Belgium, on March 19, 2015. European heads of state gathered here to hold the regular spring summit debate Thursday, with development of the Energy Union, situation in Ukraine, relations with Russia, and the EU's economic situation top on the agenda.(Xinhua/Zhou Lei) |