* Astronomy

Laser technology reveals lost city around Angkor Wat

Airborne laser technology has uncovered a network of roads and canals, illustrating the remains of a bustling ancient city linking Cambodia's famed Angkor Wat temples complex.
The discovery was announced late on Monday in a peer-reviewed paper released early by the Proceedings of the National Academy of Sciences journal. The laser scanning revealed a previously undocumented formal urban planned landscape integrating the 1,200-year-old temples.
The airborne lasers produced a detailed map of a vast cityscape, including highways and previously undiscovered temples, hidden beneath dense vegetation on top of Phnom Kulen mountain in Siem Reap province. It was the lost city of Mahendraparvata.
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