Saluting King

1st April 1925: Alfonso, Prince of Asturias, (1907 - 1938), the eldest son of King Alfonso of Spain, (right), salutes the king and queen on their arrival at the Festival of the Explorers of Spain for the appointment of the Prince of Asturias as Hon. Instructor at Madrid. With him are Infante Don Jaime, Infante Don Gonzalo and Infante Don Juan. (Photo by Felix Ortiz/Topical Press Agency/Getty Images)