A smoke ring is seen as the King's Troop Royal Horse Artillery fire a 41 Royal Gun Salute in Green Park, to mark the birth of a baby boy of Prince William and Kate, Duchess of Cambridge, in London, Tuesday, July 23, 2013. (AP Photo / Sang Tan)
Gallery: Great Britain, world celebrate royal baby
Jul. 23, 2013 @ 02:28 PM
Celebrations were held around the world for the new royal heir, who was born to Duchess Kate and Prince William on Monday.