Longest Tunnel in the World Goes From Upstate New York to Manhattan

August 15, 2019

Inside Edition went hundreds of feet underground to get an up-close look at a $1 billion repair project on the biggest tunnel in the world. The mission is to break through bedrock to fix a leak in the Delaware Aqueduct, the longest tunnel in the world, stretching 85 miles from upstate New York to the border of Manhattan. The operation is like open-heart surgery hundreds of feet under the ground. Workers have been boring through rock for a year and a half.

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