Tuesday, February 19, 2013

8 Underground Rivers

Rivers run underground all over the world. These occur naturally in cave systems, and have been known since antiquity. But this is about subterranean rivers that were once open to the sunlight and were buried by human hands (or heavy machinery). This happens when cities are built overtop, when wetlands are drained, and when existing waterways are consolidated and hidden to give people and their infrastructures more room to grow or move. In some of those places, people don't even realize there's a river running underneath their homes. Read about some of these rivers in an article I wrote for mental_floss.

Photograph by Flickr user CG94 photos.

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