The Duchess of Cornwall visited Churchill Downs in Kentucky to meet staff on the final day of U.S. tour . She knelt in the race course paddock to feed tiny donkeys carrots and stroke prize-winning race horses . A Royal Navy ship is seen at sea off the coast of England as part of a NATO exercise called Trident Juncture involving more than 40 ships from 10 countries including Britain, Germany, France, Italy, Poland, Spain The couple already visited Washington D.C. where the heir was given an award for his conservation efforts .
The Duchess of Cornwall visited Churchill Downs in Kentucky to meet staff on the final day of U.S. tour . She knelt in the race course paddock to feed tiny donkeys carrots and stroke prize-winning race horses . Prince Charles delivered a rousing speech on the dangers of global warming at the Cathedral of Assumption . The couple already visited Washington D.C. where the heir was given an award for his conservation efforts .