In another case, researchers used LiDAR to spot more than 20,000 archaeological features of a seemingly minor site in Mexico that actually had been home to an ancient city. “In 45 minutes of flying, the LiDAR team accomplished a decade’s worth of archaeological survey,” said anthropologist Christopher Fisher in a release. Bathymetric LiDAR even revealed a Roman villa in Croatia.
LiDAR doesn’t just reveal what is hidden: It can also document what has already been found. The technology is being used on the ground to map structures like the Notre Dame cathedral in Paris and Florence, Italy’s Salone dei Cinquecento.
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