Long thought to be a fortress, Guiengola has been revealed as a sprawling city thanks to airborne lidar analysis ...

Lidar has fully revealed a 600-year-old Zapotec city in southern Mexico. Lasers shot from an aircraft have revealed the ...

OAXACA, MEXICO—According to a Newsweek report, Pedro Guillermo Ramón Celis of McGill University and his colleagues spotted the remains of more than 1,000 structures built by the Zapotec in ...

LiDAR was the key technology that enabled Ramón Celis to uncover the full scale of Guiengola. Unlike traditional ...