Prince Masahito Hitachi of Japan (C) signs the guest book beside his wife Princess Hanako Hitachi (2ndL) as they visit German President Horst Koehler (R) and his wife Eva Luise (L) at their presidential residence Bellevue castle in Berlin, September 25, 2009. Reuters Pictures logo Reuters Pictures 29 months ago

Prince Masahito Hitachi of Japan (C) signs the guest book beside his wife Princess Hanako Hitachi (2ndL) as they visit German President Horst Koehler (R) and his wife Eva Luise (L) at their presidential residence Bellevue castle in Berlin, September 25, 2009.