MADRID, SPAIN - NOVEMBER 15:  In this handout image provided by the Spanish Royal Household,  Queen Letizia of Spain and King Felipe of Spain are seen visiting a public bus during the 75th Anniversary of EMT Madrid Public Transport company on November 15, 2021 in Madrid, Spain. (Photo by Spanish Royal Household - Handout/Getty Images)
MADRID, SPAIN - NOVEMBER 15:  In this handout image provided by the Spanish Royal Household, King Felipe of Spain and Queen Letizia of Spain are seen visiting a public bus during the 75th Anniversary of EMT Madrid Public Transport company on November 15, 2021 in Madrid, Spain. (Photo by Spanish Royal Household - Handout/Getty Images)
MADRID, SPAIN - NOVEMBER 15:  In this handout image provided by the Spanish Royal Household, Queen Letizia of Spain and King Felipe of Spain are seen visiting a public bus during the 75th Anniversary of EMT Madrid Public Transport company on November 15, 2021 in Madrid, Spain. (Photo by Spanish Royal Household - Handout/Getty Images)
MADRID, SPAIN - NOVEMBER 15:  In this handout image provided by the Spanish Royal Household, Jose Luis Martinez Almeida, major of Madrid, King Felipe of Spain and Queen Letizia of Spain are seen visiting a public bus during the 75th Anniversary of EMT Madrid Public Transport company on November 15, 2021 in Madrid, Spain. (Photo by Spanish Royal Household - Handout/Getty Images)
MADRID, SPAIN - NOVEMBER 15:  In this handout image provided by the Spanish Royal Household, King Felipe of Spain and Queen Letizia of Spain are seen photographed by Jose Luis Martinez-Almeida, major of Madrid, during the visit to a public bus during the 75th Anniversary of EMT Madrid Public Transport company on November 15, 2021 in Madrid, Spain. (Photo by Spanish Royal Household - Handout/Getty Images)