In this photo taken on June 28, 2012, Cambodia's famed Angkor Wat temples complex stands in Siem Reap province, some 230 kilometers (143 miles) northwest Phnom Penh, Cambodia. Airborne laser ... more 
In this photo taken on June 28, 2012, Cambodia's famed Angkor Wat temples complex stands in Siem Reap province, some 230 kilometers (143 miles) northwest Phnom Penh, Cambodia. Airborne laser technology has uncovered a network of roadways and canals, illustrating a bustling ancient city linking Cambodia's Angkor Wat temples complex. The discovery was announced late Monday, June 17, 2013, in a peer-reviewed paper released early by the journal Proceedings of the National Academy of Sciences. (AP Photo/Heng Sinith) less 
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Associated Press | Photo By Heng Sinith
Mon, Jun 17, 2013 11:12 PM EDT