Archaeologists discover mysterious Mayan citadel with structure unlike any other

Archaeologists have been exploring the ancient Mayan city of El Pilar in Belize for years, but only recently did they discover an unusual addition to the city: a citadel with a structure unlike that of other Mayan sites. The researchers used light detection and ranging (LiDAR) laser technology to locate the citadel in El Pilar, which had about 20,000 residents. The city's construction began around 800 B.C.E. The citadel is unlike previous discoveries at El Pilar, though. Anabel Ford, the lead ar...