Prince Michael of Kent sees off former British Formula One World champion Nigel Mansell (front second left), as he sets off with his sons Greg (centre left, holding Nigel Mansell's grandson, by daughter Chloe, Jai, 18 months) and Leo (third right) on the Nigel Mansell UK Youth Cycle Challenge, to raise awareness of the Positive About Youth Campaign and to raise £1 million for UK Youth. At Kensington Palace, London.. Stunning Photo Gifts From Press Association Images