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The pilot shaft of the Seikan Tunnel, the world's longest sub-aqueous tunnel (53.85 km) between the Japanese islands of Honshū and Hokkaidō, breaks through.
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Seikan Tunnel
Undersea railway tunnel in Japan
The Seikan Tunnel is a 53.85-kilometre (33.5-mile) dual-gauge railway tunnel in Japan, with a 23.3-kilometre (14.5-mile) segment running beneath the seabed of the Tsugaru Strait, which separates Aomori Prefecture on Honshu, Japan's main island, from the northern island of…Source: Wikipedia (CC BY-SA)
Honshu
Largest island of Japan
Honshu , historically known as Akitsushima , is the largest of the four main islands of Japan. It lies between the Pacific Ocean (east) and the Sea of Japan (west). It is the seventh-largest island in the world, and the second-most populous after the Indonesian island of Java.Source: Wikipedia (CC BY-SA)
Hokkaido
Island, prefecture, and region of Japan
Hokkaido is the second-largest island of Japan. Together with its surrounding islands, it comprises the largest and northernmost prefecture, making up its own region. The Tsugaru Strait separates Hokkaidō from Honshu; the two islands are connected by railway via the Seikan…Source: Wikipedia (CC BY-SA)
January 27
Day of the year
January 27 is the 27th day of the year in the Gregorian calendar; 338 days remain until the end of the year.Source: Wikipedia (CC BY-SA)