NEW ORLEANS (AP) — A team of Tulane University archaeologists and an international group of researchers have uncovered a network of thousands of ancient Mayan structures previously hidden for centuries under the thick canopy of the northern Guatemalan jungle.

Using a technology called LiDAR (light detection and range technology) the team which includes Marcello A. Canuto, the director of Tulane University's Middle American Research Institute, and Francisco Estrada-Belli, a research assistant professor and director of the Holmul Archaeological Project, has uncovered more than 60,000 ancient str...