How to find the ant tunnels in the Eisenhower Tunnel

Posted September 20, 2018 07:00:50 A tunnel-digging enthusiast in California is calling on people to look for ant tunnels.In fact, he’s asking them to stop digging them.Robert Pfeifer is a tunnel-diver and former employee of the Hoover Dam.He said he was working with a group of engineers to remove the Hoover dam from the riverbed […]

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