At first glance, the pizza-size hole that popped open when a
heavy truck passed over a freshly paved District street seemed fairly minor.
Then city inspectors got on their bellies with a flashlight
to peer into it. What they discovered has become far too common. A massive
19th-century brick sewer had silently eroded away, leaving a cavern beneath a
street in Adams Morgan that could have swallowed most of a Metro bus.
It took three weeks and about a million dollars to repair
the sewer, which was built in 1889.
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