麻豆社

Archaeologists in Cambodia have found new previously undocumented medieval cities scattered around the religious temples of Angkor. Australian archaelogist Dr Damian Evans explains how they've used airborne laser technology to reveal the cities which had been until now obscured by forest, and which were home to tens of thousands of people.

(Photo: The Angkor-period temple of Banteay Top, within the Banteay Chhmar acquisition block, in Siem Reap province. While the research has been going on for several years, the new findings uncover the sheer scale of the Khmer Empire"s urban sprawl and temple complexes to be significantly bigger than was previously thought.)

(Credit: AFP PHOTO / Damian Evans / Cambodian Archaeological Lidar Initiative, CALI)