PORTO, PORTUGAL - NOVEMBER 29: Queen Letizia of Spain visits the Science and Technology Park (UPTEC) at the Porto University during their official visit to Portugal on November 29, 2016 in Porto, Portugal. (Photo by Carlos Alvarez/Getty Images)
PORTO, PORTUGAL - NOVEMBER 29: Queen Letizia of Spain visits the Science and Technology Park (UPTEC) at the Porto University during their official visit to Portugal on November 29, 2016 in Porto, Portugal. (Photo by Carlos Alvarez/Getty Images)