Cities of the Underworld - Japanese Bunkers

The Japanese emperor was considered sacred and his power was absolute so the bunkers built to protect his authority had to be the strongest on the planet.

The massive structure was designed by engineers in a strict grid pattern. First, ten tunnels were dug through the mountain north to south. Next, they dug another twenty tunnels running perpendicular. Together the total length was nearly four miles, creating over two million cubic feet of the safest office space in the world.

The first line of defense was the mountain. Mount Zu soars fifteen hundred feet above the tunnels. But this was just one part of the master plan - two other hideouts were built beneath the neighboring mountains, one to hold the Imperial Palace and army headquarters and another to house the Emperor and Empress.

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Film & Animation

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[DraGorian777]

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