Celebrations were held around the world for the new royal heir, who was born to Duchess Kate and Prince William on Monday.
Employees of the British Embassy write down their congratulations and wishes to Britain's Prince William and Kate, Duchess of Cambridge on the birth of their son, the Prince of Cambridge, on a large postcard next to a Union Jack flag in Berlin, Germany, Tuesday, July 23, 2013. Until Friday the postcard is displayed inside the embassy and well-wishers are welcome to sign. The Duke and Duchess of Cambridge welcomed their first child on Monday. (AP Photo/Gero Breloer)