Prince Charles, Prince of Wales hammers in a peg with a giant mallet as he visits the woodwork department at the centre for applied science and technology at Holland College on May 20, 2014 in Charlottetown, Canada. The Prince of Wales and Duchess of Cornwall are on a four day visit to Canada. Chris Jackson - WPA Pool /Getty Images/AFP
Photo by AFP
The Prince of Wales has likened Vladmir Putin to Adolf Hitler in an extraordinary break in royal protocol.