Satellite maps helped an important archaeological discovery: The new data from NASA'a AIRSAR satellite reveals that Cambodia's fascinating temple complex Angkor Vat was once at the center of a large urban settlement with a complex irrigation system. New analysis also shows that the demise of the city came as the result of serious enviromental failures including deforestation. Yet another lesson to take, for us 21st century folks.

But will we listen invictus, thanks for the interesting clip