Maya City in 3-D Airborne lasers have "stripped" away thick rain forests to reveal new images of an ancient Maya metropolis that's far bigger than anyone had thought. An April 2009 flyover of the Maya city of Caracol used Light Detection and Ranging (LiDAR) equipment—which bounces laser beams off the ground—to help scientists construct a 3-D map of the settlement in western Belize. The survey revealed previously unknown buildings, roads, and other features in just four days, scientists announced earlier this month at the International Symposium on Archaeometry in Tampa, Florida. University of Central Florida anthropologists Arlen and Diane Chase...