Britain's Prince Charles and Camilla, the Duchess of Cornwall, arrive at Tokyo International Airport Monday, Oct. 27, 2008, for a five-day visit.
Britain's Prince Charles, center right, and wife Camilla, the Duchess of Cornwall, center left, are greeted by Japanese Emperor Akihito and Empress Michiko prior to a dinner at the Imperial Palace in Tokyo Tuesday, Oct. 28, 2008.
Britain's Prince Charles and Japan's Princess Takamado, left, smile as they tour Kurohime Medical Herb Tea Co., Ltd. at Shinano town, northwest of Tokyo, Oct. 30, 2008.
Britain's Prince Charles, right, smells a local apple while Princess Takamado stands next to him at Kurohime Medical Herb Tea Co., Ltd. on Thursday, Oct. 30, 2008, in Shinanomachi, central Japan. The Prince and his wife are in Japan to celebrate the 150th anniversary of diplomatic relations with the United Kingdom.
Britain's Prince Charles, right, and his wife Camilla, second left, talk with Japanese Crown Prince Naruhito, far left, as they arrive at Tokyo International Airport Oct. 27, 2008 for their five-day visit to Japan.
Britain's Prince Charles, left, and wife Camilla, the Duchess of Cornwall, are shown a bamboo sword as they watch Japanese fencing during their visit to Keio University in Tokyo Tuesday, Oct. 28, 2008. The royal couple were in Tokyo for a five-day visit.
British Prince Charles, left, is welcomed by students upon his arrival at the National Museum Of Emerging Science And Innovation, or Miraikan Museum, Tuesday, Oct. 28, 2008, in Tokyo.
Britain's Prince Charles, left, and his wife, Camilla, the Duchess of Cornwall, are greeted by student Kabuki actors as they visit Keio University in Tokyo Tuesday, Oct. 28, 2008.
Britain's Prince Charles and his wife, Camilla, center, are welcomed by visitors as they visit at Todaiji temple in Nara, western Japan Wednesday, Oct. 29, 2008.
Britain's Prince Charles delivers an address on the prince's rainforest project at the National Museum of Emerging Science and Innovation in Tokyo Tuesday, Oct. 28, 2008. The prince and his wife Camilla, the Duchess of Cornwall, are on a five-day visit to Japan.
Britain's Prince Charles, third right, and his wife Camilla second right, look at Japanese traditional crafts during their visit to Nara Craft Museum in Nara, western Japan, Wednesday, Oct. 29, 2008.
Britain's Prince Charles, left, speaks with Japan's Crown Princess Masako as he and his wife, Camilla, the Duchess of Cornwall, are welcomed by Masako and Crown Prince Naruhito for dinner at the Togu Palace temporary residence in Tokyo Thursday, Oct. 30, 2008.
Britain's Prince Charles, left, is escorted by Mamoru Mohri, the museum director and former STS-99 Japanese Mission Specialist, inside a mock international space station during his visit to National Museum of Emerging Science and Innovation in Tokyo Tuesday, Oct. 28, 2008.
Britain's Prince Charles, left, looks at Honda's humanoid robot "Asimo" during a visit to National Museum of Emerging Science and Innovation in Tokyo Tuesday, Oct. 28, 2008.
Britain's Prince Charles burns incense as his wife Camilla, the Duchess of Cornwall looks on at Todaiji Temple in ancient capital of Nara, western Japan, Wednesday, Oct. 29, 2008.
Britain's Prince Charles, from left, is escorted by Japan's Princess Takamado and Japan Afan Woodland Trust Chairman Clive Williams Nicol as he visits at Afan Forest in Shinano, central Japan, Thursday, Oct. 30, 2008.