"Sandhogs" are New York's underground workers who have spent 150 years digging tunnels into the city's bedrock, sustaining life for millions above. They've been working on their largest project for 40 years, with the future of NYC and the nation dependent on their success.
The Greatest Tunnel Ever Built
The Sandhogs, a group of skilled tunnelers, have spent decades digging beneath New York City, building tunnels that support the lives of millions above.
