KAZIRANGA, ASSAM - APRIL 13:  Catherine, Duchess of Cambridge gestures as she visits the Pan Bari agricultural village 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 Chris Jackson/Getty Images)