Laser scanning reveals ‘lost’ ancient Mexican city ‘had as many buildings as Manhattan’ | Science | The Guardian

Groundbreaking lidar scanning reveals the true scale of Angamuco, built by the Purépecha from about 900AD
— Read on www.theguardian.com/science/2018/feb/15/laser-scanning-reveals-lost-ancient-mexican-city-had-as-many-buildings-as-manhattan