The Tokyo Bay Aqua Line is a 15-mile crossing that connect the city of Kawasaki in the Kanagawa Prefecture with Kisarazu in the Chiba Prefecture ...

supplying air to the tunnel. Its ventilation system is powered by Tokyo Bay’s almost constant winds. The six-mile tunnel, known as the Aqua Tunnel, sits an impressive 196 feet below sea level ...

Tokyo Olympic organizers wanted to ensure that competitors who splash through the turbid waters of Tokyo Bay emerge as happy as clams. So, they went to work to attract hundreds of thousands of ...