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Published on Mar 17, 2010
Super Structures1/5 - Eurotunnel(Channel Tunnel). Discovery Channel
Wiki The Channel Tunnel (French: Le tunnel sous la Manche), known colloquially as the Chunnel, is a 50.5-kilometre (31.4 mi) undersea rail tunnel linking Folkestone, Kent near Dover in the United Kingdom with Coquelles, Pas-de-Calais near Calais in northern France beneath the English Channel at the Strait of Dover. At its lowest point it is 75 m (246 ft) deep. At 37.9 km (23.5 mi), the Channel Tunnel has the longest undersea portion of any tunnel in the world although the Seikan Tunnel in Japan is both longer overall, at 53.85 km (33.46 mi) and deeper, at 240 m (790 ft) below sea level.