Tour de publicity: caravan pedals brands to cheering crowds With the Tour de France fast approaching, it's not all about the bike. A factory near Paris is putting the final touches to the extravagant vehicles that form part of the publicity caravan. This unique spectacle, taking place before each stage, is an integral part of the show -- a 45 minute display of floats, soundsystems and free gifts, cheered by the millions of spectators crowding the route.A natural sound version of an AFPTV voiced report