Incredible Images of the Massive New Tunnels Hollowing New York City »

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There is a 22-foot-long, 200-ton steel monster under Manhattan. Dead, resting deep somewhere under Grand Central Station and Park Avenue, this machine and her twin brother excavated the massive tunnels that you can see here, one of the largest public transportation works of our time. Here's an... Source Main page (current trends)

More about: Grand Central Station, Hollowing New York City, manhattan

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