Listen to your favorite National Geographic news daily, anytime, anywhere from your mobile phone. No wires or syncing. Download Stitcher free today.
Sunday, November 22, 2009 |
Sunday, November 22, 2009 |
Photo: Canal Linking Ancient Egypt Quarry to Nile FoundThe discovery is the first concrete evidence for a long-held theory that ancient workers transported their massive stone monuments directly by water. Now scientists are concerned that saltwater corrosion will destroy drawings of wading birds (bottom left), dolphins (bottom right), and other graffiti left behind by the workers. Obelisk photograph by Mladen Antonov/AFP/Getty Images; graffiti photographs courtesy Katarin Parizek, Penn State
|
ADVERTISEMENTNATIONAL GEOGRAPHIC'S PHOTO OF THE DAY |
|
ADVERTISEMENT
|