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25 of the Oldest Cities in the World
Cheapism via AOL· 4 months agoalexsl/istockphoto Urban Legends With some 10,000 cities around the world to explore, there are plenty of opportunities to dig into the history of those...
Rivers can suddenly change course – scientists used 50 years of satellite images to learn where and...
The Conversation via Yahoo News· 10 months agoSatellite image of the Irrawaddy River delta in Myanmar, a major rice growing area. European Space...