Estonia's President Toomas Hendrik Ilves, left, and Spain's King Juan Carlos, third from left, review the Estonian honor guard during an official welcome ceremony in Tallinn, Estonia, on Monday, May 4, 2009. Spain's King and Queen are on a visit to the country.
Queen Sofia of Spain, left, and Estonia's President Toomas Hendrik Ilves's wife Evelin, are seen during a walking city tour in Tallinn, Estonia, on Tuesday, May 5, 2009. Spain's King and Queen are on a visit to the country.
Estonia's President Toomas Hendrik Ilves, second right, and Spain's King Juan Carlos, right, seen during a city tour in Tallinn, Estonia, Tuesday, May 5, 2009.
Estonia's President Toomas Hendrik Ilves, left, and Spain's King Juan Carlos, right, seen during a city tour in Tallinn, Estonia, Tuesday, May 5, 2009.
Spanish King Juan Carlos, left, kisses the hand of Lithuania's first lady Alma Adamkiene on his arrival at the President's palace in Vilnius, Lithuania, on Wednesday, May 6, 2009.
Spanish King Juan Carlos review the honor guard during a welcome ceremony at the President's palace in Vilnius, Lithuania, Wednesday, May 6, 2009.
Spanish King Juan Carlos and Queen Sofia, left, wave in Daukanto square near the President's palace in Vilnius, Lithuania, Wednesday, May 6, 2009.
Spanish King Juan Carlos and Queen Sofia seen at the Trakai castle in Trakai, Lithuania, on Thursday, May 7, 2009
Spanish King Juan Carlos and Queen Sofia seen during a visits to Vilnius University in Vilnius, Lithuania, Thursday, May 7, 2009.
Posing for photographers before a gala dinner at the President palace in Vilnius, Lithuania, Wednesday, May 6, 2009, are, from left, Spanish King Juan Carlos, Lithuanian first lady Alma Adamkiene, Spanish Queen Sofia, and Lithuanian President Valdas Adamkus.
Sweden
Sweden's Crown Princess Victoria, front, takes photos onboard the Ericsson Racing 4 during the Volvo Ocean Race in Rio de Janeiro, Saturday, April 4, 2009.
Swedish Crown Princess Victoria smiles during her visit to the Volvo Ocean Race competition in Rio de Janeiro, Friday, April 3, 2009
Swedish Crown Princess Victoria is kissed by Ericsson 3 boat captain Magnus Olsson during her visit to members of the Swedish yacht Ericsson Race Team in Rio de Janeiro, Friday, April 3, 2009.
Sweden's Crown Princess Victoria, center, is seen on the Ericsson Racing 4 yacht during the Volvo Ocean Race in Rio de Janeiro, Saturday, April 4, 2009.
Britain
Britain's Queen Elizabeth II is photographed during the presentation of new Colors to the First Battalion of the Irish Regiment of Foot Guards at Windsor Castle in Windsor, England, Wednesday, May 6, 2009.
Troops raise the new Queen's Color, center left, and the new Regimental Color, center right, during a Colors presentation ceremony by Queen Elizabeth II to the First Battalion of the Irish Regiment of Foot Guards at Windsor Castle in Windsor, England, Wednesday, May 6, 2009.
Britain's Queen Elizabeth II reviews the troops during the presentation of new Queen's Color and Regimental Color to the First Battalion of the Irish Regiment of Foot Guards at Windsor Castle in Windsor, England, Wednesday, May 6, 2009.
Mexican President Felipe Calderon, right, sits with Britain's Prince Andrew, Duke of York, during a question and answer session at a UK-Mexico business seminar in London, Tuesday, March 31, 2009.
Britain's Prince Charles emerges from a boat as he arrives for a visit to a typical Venetian house in Venice, Italy, Tuesday, April 28, 2009.
Camilla, the Duchess of Cornwall, is subjected to the attentions of an enthusiastic Alsatian puppy in the puppy kennels of the Metropolitan Police Dog Training Establishment at Keston, near London, where she met dogs and police officers undertaking training.