post a comment | posted Jul 17
In 2000 NASA's scientists displayed at the Library of Congress in Washington images they had chosen among hundreds thousands taken by the Landsat satellites. Some of the most stunning images I have ever seen.
To see more of them : http://www.environmentalgraffiti.com/ecology/30-most-incredible...

Mayn River, Siberia, Russia [large size]

Lena River, Russia [large size]