Spanish King Felipe (L) and his wife Queen Letizia (R) leave the Sagrada Familia's basilica in Barcelona on April 27, 2015 after attending a memorial mass for the 150 Germanwings plane crash victims in the French Alps. Some 1,500 people attended a memorial service today at Barcelona's iconic Sagrada Familia Cathedral, and paid homage to the 150 people killed in last month's Germanwings plane crash.  AFP PHOTO/ JOSEP LAGO        (Photo credit should read JOSEP LAGO/AFP via Getty Images)