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See what it’s like to dig a tunnel 100 feet below a cityA massive drill is digging a tunnel deep beneath Alexandria that will keep millions of gallons of raw sewage from seeping into the Potomac River. 2023-07-07T03:00:17-0700 The Washington Post Teo Armus, Hadley Green, Bill O’Leary, Ricky Carioti ... ($) 1,000 words Rated 2023-07-11T16:07:30-0700 |