Buried Stream Sees the Light of Day

Nov. 25, 2014 - Nearly a hundred years ago a stream was covered over and diverted into an underground culvert in Northwest Washington, D.C. Now environmentalists are taking steps to restore the stream to a more natural flow and revive the native flora and fauna. The idea isn't unique to Washington: Around the world, people are working to give similar streams a second life, a process known as daylighting. National Geographic followed the year-long project.

Click here to read more about daylighting