The Asahi Shimbun Weekly

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Tour participants walk a tunnel leading to the 'Tappi Kaitei '... News PhotoAomori Prefecture,Horizontal,Human Interest,Japan,Participant,Station,Tunnel,WalkingPhotographer Collection: The Asahi Shimbun 2013 The Asahi ShimbunSOTOGAHAMA, JAPAN - NOVEMBER 10: (CHINA OUT, SOUTH KOREA OUT) Tour participants walk a tunnel leading to the 'Tappi Kaitei (sea bottom)' Station on November 10, 2013 in Sotogahama, Aomori, Japan. The station, located 135 metres under the sea level, was constructed as an emergency exit in 1988 along with the opening of Seikan tunnel, which connect Hokkaido and Japan's mainland. The station will be closed as a part of preparation for extending the Shinkansen bullet train to Hokkaido. (Photo by The Asahi Shimbun via Getty Images)