GUWAHATI, INDIA - APRIL 13:  Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge paint an Elephant Parade statue as they visit to the Mark Shand Foundation in Kaziranga National Park on day 4 of the royal visit to India and Bhutan on April 13, 2016 in Kaziranga, India. The Duke and Duchess of Cambridge are on a week-long tour of India and Bhutan taking in Mumbai, Delhi, Assam, Bhutan and Agra.  (Photo by Danny Martindale/WireImage)