Disney Channel (France) 1 May 2011 the channel changed logo. When launched in 1997, Disney Channel France adopted the same logo and idents as Disney Channel UK. It adopted the Disney Channel UK new Circles logo and idents on 4 September 1999. In March 2000, Disney Channel France opened a contest called the Les Grands Prix De L'imagination, where animators from all around France create idents for Disney Channel International, and two winners will have their idents shown on the French channel. The winners were Marc du Pontavice, the producer of Oggy and the Cockroaches (who did the "Glass Charger/Laboratory" ID for the
Channel Tunnel techniques from the oil industry were employed. Tunnelling was a major engineering challenge, with the only precedent being the undersea Seikan Tunnel in Japan, which opened in 1988. A serious risk with underwater tunnels is major water inflow due to the pressure from the sea above, under weak ground conditions. The tunnel also had the challenge of time: being privately funded, early financial return was paramount. The objective was to construct two rail tunnels, apart, in length; a service tunnel between the two main ones; pairs of cross-passages linking the rail tunnels to the service one at spacing; piston relief