KAZIRANGA, ASSAM - APRIL 12: Catherine, Duchess of Cambridge watches Prince William, Duke of Cambridge (not pictured) as he tries to play an Indian whistle during a Bihu Festival Celebrationat Diphlu River Lodge on day 3 of the royal visit to India and Bhutan on April 12, 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 Joe Giddens-Pool/Getty Images)
