MADRID, SPAIN - JULY 15: King Felipe VI of Spain and Queen Letizia of Spain hold a minute of silence for the victims of terrorist attack in Nice at Zarzuela Palace on July 15, 2016 in Madrid, Spain. (Photo by Pablo Cuadra/WireImage)
MADRID, SPAIN - JULY 15: King Felipe VI of Spain and Queen Letizia of Spain hold a minute of silence for the victims of terrorist attack in Nice at Zarzuela Palace on July 15, 2016 in Madrid, Spain. (Photo by Pablo Cuadra/WireImage)