Belgium's astronaut Frank de Winne, right, gives explanations to Queen Paola of Belgium, King Albert II of Belgium, and Belgian Defense Minister Pieter de Crem, from left, during their visit to the European Astronaut Centre (EAC) of the European Space Agency (ESA) in Cologne, Germany, on Thursday, March 19, 2009. Others are not identified.
King Albert II of Belgium listens to a lecture during a visit to the European Astronaut Centre (EAC) of the European Space Agency (ESA) in Cologne, Germany, on Thursday, March 19, 2009.
King Albert II of Belgium, left, is assisted by security personnel as he leaves a training module of the European "Columbus" space laboratory during his visit to the European Astronaut Centre (EAC) of the European Space Agency (ESA) in Cologne, Germany, on Thursday, March 19, 2009.
Albert II of Belgium, right, and Queen Paola, left, listen to a lecture during their visit to the European Astronaut Centre (EAC) of the European Space Agency (ESA) in Cologne, Germany, on Thursday, March 19, 2009.
Sweden
Horace Engdahl, center right, permanent Secretary of the Swedish Academy, arrives with his successor Peter Englund, center left, for the annual meeting of the academy. They follow Swedish King Carl XVI Gustaf, right, and Queen Silvia, in Stockholm, Sweden.
Bolivia's President Evo Morales, left, chats with Sweden's Queen Silvia before the start of the 52nd Session on Narcotic Drugs at the Vienna International Center on Wednesday, March 11, 2009, in Austria.
Evo Morales, President of Bolivia, left, Sweden's Queen Silvia, center, and Antonio Maria Costa, executive director of the United Nations Office on Drugs and Crime, right, are seen prior to the start of the 52nd Session on Narcotic Drugs at the Vienna International Center on Wednesday, March 11, 2009, in Austria.
Spain
Syria's first lady Asma Assad, right, and Spain's Greek-born Queen Sofia, background center, visit the National Museum in Damascus, Syria.
Syria's first lady Assma Assad, right, and Queen Sofia of Spain attend the Spanish Opera "Carmen" at the Opera House in Damascus.
Georgia
Prince David Bagrationi-Mukhraneli, 32, and Princess Anna Bagrationi-Gruzinsky, 31, are seen during their wedding ceremony in the capital of Georgia, Tbilisi, Sunday, Feb. 8, 2009. The Spanish-born groom heads the Georgian royal family that once ruled the Caucasus nation; the bride is from a Bagrationi dynasty's branch.
Norway
Jose Narro Robles, rector of the National Autonomous University of Mexico, UNAM, hands Norway's Prince Haakon a certificate after the prince gave a conference in Mexico City, Tuesday, March 17, 2009.
Norway's Crown Prince Haakon, right, walks with Crown Princess Mette-Marit at the National Autonomous University of Mexico, UNAM, in Mexico City, Tuesday, March 17, 2009. Crown Prince Haakon was on a four-day official visit to Mexico.
Crown Prince Haakon of Norway stands during a wreath-laying ceremony at Ninos Heroes monument in Mexico City, Monday, March 16, 2009. Crown Prince Haakon and his wife, Crown Princess Mette-Marit, were on a four-day official visit to Mexico.
Crown Prince Haakon of Norway reviews the honor guard after a wreath-laying ceremony at Ninos Heroes monument in Mexico City, Monday, March 16, 2009.
Crown Prince Haakon and Crown Princess Mette-Marit of Norway attend a wreath-laying ceremony at Ninos Heroes monument in Mexico City, Monday, March 16, 2009.
Japan
Japan's Crown Prince Naruhito, left, and Crown Princess Masako bow from the stand as they visit Tokyo Dome to watch the World Baseball Classic Pool A opening game between Japan and China.
Japan's Crown Prince Naruhito stands as Emperor Akihito and Empress Michiko, seated at center, and other Imperial family members listen to his poetry being read during the imperial poetry reading ceremony at Imperial Place in Tokyo. At left are Prince Hitachi and Prince Akishino; seated at right are, Princess Takamado; Princess Hanako, wife of Prince Hitachi; and Princess Kiko, wife of Prince Akishino.
Britain
Britain's Queen Elizabeth II is greeted as she arrives at Westminster Abbey in London, March 9, 2009, to attend a Commonwealth Day service, marking the 60th anniversary of the modern Commonwealth.
Britain's Queen Elizabeth II arrives at Westminster Abbey in London, March 9, 2009, to attend a Commonwealth Day service, marking the 60th anniversary of the modern Commonwealth.
The Netherlands
Dutch Crown Prince Willem Alexander, left, and his daughter Princess Amalia, right, encourage Dutch speedskaters Sven Kramer and Wouter Olde Heuvel, unseen, during a 1500 meters men's race at Thialf stadium in Heerenveen, northern Netherlands.