see more

King Felipe of Spain and Queen Letizia of Spain arrives at the opening of the exhibition 'Scripta. Tesoros manuscritos de la Universidad de Salamanca' at the National Library on May 4, 2017 in Madrid, Spain.

King Felipe of Spain and Queen Letizia of Spain arrives at the opening of the exhibition 'Scripta. Tesoros manuscritos de la Universidad de Salamanca' at the National Library on May 4, 2017 in Madrid, Spain.

see more

MADRID, SPAIN - MAY 04: King Felipe of Spain and Queen Letizia of Spain arrive at the opening of the exhibition 'Scripta. Tesoros manuscritos de la Universidad de Salamanca' at the National Library on May 4, 2017 in Madrid, Spain. (Photo by Europa Press/Europa Press via Getty Images)

MADRID, SPAIN - MAY 04:  King Felipe of Spain and Queen Letizia of Spain arrive at the opening of the exhibition 'Scripta. Tesoros manuscritos de la Universidad de Salamanca' at the National Library on May 4, 2017 in Madrid, Spain.  (Photo by Europa Press/Europa Press via Getty Images)

see more

MADRID, SPAIN - MAY 04: King Felipe of Spain and Queen Letizia of Spain arrive at the opening of the exhibition 'Scripta. Tesoros manuscritos de la Universidad de Salamanca' at the National Library on May 4, 2017 in Madrid, Spain. (Photo by Europa Press/Europa Press via Getty Images)

MADRID, SPAIN - MAY 04:  King Felipe of Spain and Queen Letizia of Spain arrive at the opening of the exhibition 'Scripta. Tesoros manuscritos de la Universidad de Salamanca' at the National Library on May 4, 2017 in Madrid, Spain.  (Photo by Europa Press/Europa Press via Getty Images)

see more

MADRID, SPAIN - MAY 04: King Felipe of Spain and Queen Letizia of Spain arrive at the opening of the exhibition 'Scripta. Tesoros manuscritos de la Universidad de Salamanca' at the National Library on May 4, 2017 in Madrid, Spain. (Photo by Europa Press/Europa Press via Getty Images)

MADRID, SPAIN - MAY 04:  King Felipe of Spain and Queen Letizia of Spain arrive at the opening of the exhibition 'Scripta. Tesoros manuscritos de la Universidad de Salamanca' at the National Library on May 4, 2017 in Madrid, Spain.  (Photo by Europa Press/Europa Press via Getty Images)

see more

King Felipe of Spain and Queen Letizia of Spain arrives at the opening of the exhibition 'Scripta. Tesoros manuscritos de la Universidad de Salamanca' at the National Library on May 4, 2017 in Madrid, Spain.

King Felipe of Spain and Queen Letizia of Spain arrives at the opening of the exhibition 'Scripta. Tesoros manuscritos de la Universidad de Salamanca' at the National Library on May 4, 2017 in Madrid, Spain.