On day four of their Diamond Jubilee Tour of Denmark, the Prince of Wales and Duchess of Cornwall, on March 27, 2012, visited various venues. The Duchess of Cornwall toured the current set of the TV Drama The Killing in Lynge, Denmark where she was photographed holding a prop gun watched by Crown Princess Mary of Denmark. The series is a favorite with the Prince of Wales and Duchess of Cornwall, who met with actress Sofie Grabol. Prince Charles visited Via University in Horsens and was photographed with Crown Prince Frederik of Denmark playing Danish Pin Billiards in Gyldenrisparken near Copenhagen. While in Gyldenrisparken, the Prince of Wales also visited nursing home. Day Four in Denmark marks the end of the Prince and Duchess’s Diamond Jubilee Tour which took in Norway and Sweden as well. Photos by Getty Images.