Spanish Queen Letizia watches as Spanish King Felipe VI (not pictured) inspects a Guard of Honour at Guildhall in central London on July 13, 2017, on the second day of the Spanish King and Queen's three-day state visit.
Brexit has created uncertainty for both Spanish businesses and citizens, King Felipe VI of Spain said Thursday during his state visit to Britain, calling for a swift resolution. / AFP PHOTO / CHRIS J RATCLIFFE        (Photo credit should read CHRIS J RATCLIFFE/AFP/Getty Images)