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Architecture Featured News Washington DC

The Underground Tunnels Beneath the U.S Capitol and Library of Congress

Under Capitol Hill in Washington D.C. there are underground cities, with all the things you would need from the outside world, moved indoors along tunnels.

Architecture Featured Washington DC

The Underground City Beneath the U.S Capitol and Library of Congress

Under Capitol Hill in Washington D.C. there are underground cities, with all the things you would need from the outside world, moved indoors along tunnels.