Original: The longest land tunnel in the world, the Lötschberg Base Tunnel, is in operation since late 2007, connecting by rail the town of Frutigen in canton Bern, with the town of Visp in canton Valais/Wallis.
Simplified: The longest land tunnel in the world, the Lötschberg Base Tunnel, will soon be working, in late 2007 perhaps, connecting by rail the town of Frutigen in canton Bern, with the town of Visp in canton Valais/Wallis.