NEW DELHI, INDIA - APRIL 12:  Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge receive a drawing from wellwishers during a visit to a contact centre run by the charity Salaam Baalak, which provides emergency help and long term support to homeless children at New Delhi railway station on April 12, 2016 in New Dehli, 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 Dominic Lipinski - Pool/Getty Images)