MADRID, SPAIN - MAY 30:  King Felipe of Spain (L), Queen Letizia of Spain (R) and Beatrix of the Netherlands stand in front of "The Garden of Earthly Delights" by Hieronymus Boschduring a visit to the  'El Bosco' 5th Centenary Anniversary Exhibition at El Prado Museum on May 30, 2016 in Madrid, Spain. (Photo by J. J. Guillén - Pool/Getty Images)