But now, Proba, the polyvalent satellite launched in 2001 by the European Space Agency (ESA), was able to capture images of the Great Wall from space taken at an altitude of 600 km.
As a practical consequence, millions of books will not have to be printed again, saving probably a large forest. You'll find more details and references in this overview.
|:: posted by Roland Piquepaille, 12:24 PM|| Comments (0)
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