Japan's Prince Akishino, background left, and Princess Kiko, background second left, pay their respects at the Tomb of Unknown Soldier in the Bulgarian capital of Sofia, Thursday, May, 14, 2009. The prince and princess arrived on a three-day official visit to Bulgaria, part of a larger trip to Eastern Europe.
From left: Japan's Princess Kiko, Japan's Prince Akishino, Bulgaria's President Georgi Parvanov and Bulgaria's first lady Zorka Parvanova attend a welcome ceremony in front of the Bulgarian national emblem at the Presidency building in the capital Sofia, Thursday, May, 14, 2009.
Japan's Prince Akishino, right, is welcomed by a woman dressed in Bulgarian national dress at the museum of Thracian art and culture in the village of Alexandrovo, east of the Bulgarian capital Sofia, Friday, May, 15, 2009.
Japan's Princess Kiko, left, looks on as Prince Akishino, right, delivers the opening speech at the museum of Thracian art and culture in the village of Alexandrovo, east of the Bulgarian capital Sofia, Friday, May, 15, 2009.
Japan's Prince Akishino, looks on, as Princess Kiko, left, signs the guest book, at the Unknown Soldier Memorial in Bucharest, Romania, Wednesday, May 20, 2009.
Japan's Prince Akishino, center, tries to play a pan flute during a visit to the Village Museum in Bucharest, Romania, Wednesday, May 20, 2009.
Hungarian President Laszlo Solyom, right, talks to Japanese Prince Akishino, left, in front of the view of the River Danube and the Parliament building in Budapest, May 18, 2009. Prince Akishino, the second son of the Japanese emperor, and his wife were on a four-day visit to Hungary as part of a two-week tour of Europe.
Japanese Prince Akishino, left, and Princess Kiko, right, sit with a child in the International Peto Institute, in Budapest, Hungary, Tuesday, May 19, 2009.
Hungarian President Laszlo Solyom, right, is seen with Japanese Prince Akishino, center, and Princess Kiko, left, in Budapest, Hungary, Monday, May 18, 2009.
Japan's Prince Akishino, foreground, and Princess Kiko, second right, look at a special lamp on display at the Hungarian Artistic Design Museum in Budapest, Hungary, Saturday, May 16, 2009, during their visit to the exhibition called "Wa: Harmony in every day life - Contemporary Japenese Design."
Prince Akishino is seen looking at a traditional grey cow herd in the Puszta, the great Hungarian plain, near Bugac, Hungary, Sunday, May 17, 2009.
Japanese Prince Akishino smiles at a child in the International Peto Institute, which helps disabled children in Budapest, Hungary, Tuesday, May 19, 2009.
Spanish novelist Juan Marse, left, receives the Cervantes Prize from Spain's King Juan Carlos, right, at the Alcala University in Alcala de Henares, Spain.
Elena Salgado, left, is sworn in as the new economy minister in front of Spanish King Juan Carlos, right, Queen Sofia, center, and Spanish Prime Minister Jose Luis Rodriguez Zapatero, second left, at Zarzuela Palace in Madrid last month.
Roger Federer from Switzerland, left, receives his trophy from Spain's Crown Prince Felipe, right, after winning his match against Rafael Nadal from Spain during the Madrid Open Tennis Tournament, in Madrid, Sunday, May 17, 2009.
Spain's Princess Cristina, right, and her husband Inaki Urdangarin, left, are seen last month during the Barcelona Open Tennis Tournament final match in Barcelona, Spain.
U.N. Secretary General Ban Ki-Moon, left, and Spain's King Juan Carlos, right, smile before their recent talks at the Zarzuela Palace, in Madrid.
Thailand's King Bhumibol Adulyadej reviews his Royal Guards during ceremonies in Bangkok, Thailand.
From left, Boston Mayor Thomas Menino, Prince Faisal Bin Abdullah Bin Mohammed Al-Saud of Saudi Arabia, President of Valencia Francisco Camps, and King Carl XVI Gustaf of Sweden pose together at the official Volvo Ocean Race welcoming reception at Faneuil Hall in Boston Friday, May 8, 2009.
Britain's Prince Harry smiles during a tour of the Harlem Children's Zone school in the Harlem neighborhood of New York, Saturday, May 30, 2009.