BRUSSELS, BELGIUM - MARCH 25: European Union (EU) flags fly half-mast at the European Union Commission buiding in Brussels on March 25, 2015 to mourn Germanwings Airbus A320 plane crash victims. Nearly 150 people are feared dead after Germanwings plane flying from Barcelona to Dusseldorf crashed in French Alps. (Photo by Dursun Aydemir/Anadolu Agency/Getty Images)