European Council President Donald Tusk (front, L) talks with German Chancellor Angela Merkel (front, R) during a meeting on the second day of the European spring summit in Brussels, Belgium, March 10, 2017. The European Union leaders on Thursday confirmed the bloc will uphold an open and rules-based trade position against a backdrop of rising protectionism, European Council President Donald Tusk said. (Xinhua/Ye Pingfan)