20x8 - Top Gear

William Woollard visits the Caravan, Camping and Holiday Show at Earls Court to review the latest in mobile homes, while Tom Boswell assesses the luxury end of the market, the bespoke motor caravan. Tiff Needell reports on the coming sport of supercross — motorcycle scrambling in an arena. Tony Mason previews Top Gear’s coverage of next week’s Lombard RAC Rally.