William e Kate durante la cerimonia di piantagione di un nuovo albero

OTTAWA, CANADA – JULY 02: Prince William, Duke of Cambridge shovels earth during a Tree Planting Ceremony as his wife Catherine, Duchess of Cambridge looks on at Rideau Hall on july 02, 2011 in Ottawa, Canada. The tree that the Duke and Duchess help to plant will be next to the one planted by the Prince and the Princess of Wales in 1983. (Photo by Lionel Hahn – Pool/Getty Images)