EMBARGOED TO 0001 Sunday July 23, 2017. NO USE AFTER MONDAY JULY 31, 2017. NEWS EDITORIAL USE ONLY. NO USE ON THE FRONT COVERS OF ANY UK OR INTERNATIONAL MAGAZINES. NO COMMERCIAL USE (including any use in merchandising, advertising or any other non-editorial use including, for example, calendars, books and supplements). . This photograph released by Kensington Palace, from the personal photo album of the late Diana, Princess of Wales, shows Prince William and Prince Harry sitting on a picnic bench together and features in the new ITV documentary 'Diana, Our Mother: Her Life and Legacy', which airs on ITV at 21.00hrs on Monday 24th July., Image: 342708571, License: Rights-managed, Restrictions: NO UK USE FOR SEVEN DAYS- Fee Payable Upon Reproduction - For queries contact Avalon.red - sales@avalon.red London: +44 (0) 20 7421 6000 Los Angeles: +1 (310) 822 0419 Berlin: +49 (0) 30 76 212 251, Model Release: no, Credit line: Profimedia, UPPA News