Prince Charles, Prince of Wales and Camilla, Duchess of Cornwall plant a tree after inspecting student gardens during a visit to Kilkenny Primary School on November 7, 2012 in Adelaide, Australia. Photo by Tracey Nearmy-Pool/Getty Images
Schoolchildren wave Australian flags as Prince Charles, Prince of Wales visits Kilkenny Primary School on November 7, 2012 in Adelaide, Australia. Photo by Chris Jackson/Getty Images
Prince Charles, Prince of Wales holds a koala called Kao whilst Camilla, Duchess of Cornwall holds a koala called Matilda at Government House on November 7, 2012 in Adelaide, Australia. Photo by Chris Jackson/Getty Images
Prince Charles, Prince of Wales and Camilla, Duchess of Cornwall taste wine at the Penfolds Magill State Winery on November 7, 2012 in Adelaide, Australia. Photo by Chris Jackson/Getty Images
Camilla, Duchess of Cornwall meets members of the public outside the convention centre during a visit to the Riverside Precinct Redevelopment on November 7, 2012 in Adelaide, Australia. Photo by Chris Radburn - Pool/Getty Images
Prince Charles, Prince of Wales meets members of the public outside the convention centre during a visit to the Riverside Precinct Redevelopment on November 7, 2012 in Adelaide, Australia. Photo by Chris Radburn - Pool/Getty Images
Prince Charles, Prince of Wales meets members of the public outside the convention centre as they visit the Riverside Precinct Redevelopment on November 7, 2012 in Adelaide, Australia. Photo by Chris Radburn - Pool/Getty Images
Prince Charles, Prince of Wales has lunch with students after inspecting student gardens during a visit to Kilkenny Primary School on November 7, 2012 in Adelaide, Australia. Photo by Chris Radburn - Pool/Getty Images
The Duchess of Cornwall, accompanied by the South Australia Minister for Education and Child Development, Grace Portolesi, as they talk to school pupils in the organic vegetable garden during a visit to Kilkenny Primary School Adelaide, Australia. Photo by Chris Radburn - Pool/Getty Images
The Duchess of Cornwall speaks with the South Australia Minister for Education and Child Development, Grace Portolesi during a visit to Kilkenny Primary School on November 7, 2012 in Adelaide, Australia. Photo by Chris Radburn - Pool/Getty Images