When we hit 10 million likes, the caravan gets it: www.facebook.com The Top Gear boys attempt to make train travel cheaper, faster and more interesting by replacing the conventional carriages and locomotive with a series of caravans attached to a specially modified car. It's either the world's most ingenious idea or the prelude to the world's biggest accident. Go to www.youtube.com to see a full list of all high quality videos available on the Top Gear YouTube channel and don't forget to visit www.topgear.com for all the latest news and car reviews.