Ancient monuments give us clues to astonishing past civilizations — but they’re under threat from pollution, war, neglect. Ben Kacyra, who invented a groundbreaking 3D scanning system, is using his invention to scan and preserve the world’s heritage in archival detail. (Watch to the end for a little demo.)

Source: http://www.ted.com/talks/ben_kacyra_ancient_wonders_captured_in_3d.html