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Wall Street Journal Vast Maya Kingdom Is Revealed in Guatemalan Jungle
Archaeologists identify a sprawling network of ancient ruins using laser mapping technology

The WSJ has a robust paywall.

Airborn laser mapping technology was used in this project. (Lidar)

Nestled in the jungle of northern Guatemala, a vast network of interconnected Maya settlements built millennia ago has been mapped in unprecedented detail.

The civilization featured towering pyramids, palaces, terraces, ball courts and reservoirs connected by a sprawling web of causeways, an international group of archaeologists reported during a presentation at Francisco Marroquín University in Guatemala City this month.

Their findings reveal a “level of infrastructure that is just mind-boggling,” said Dr. Timothy Beach, a professor of geography at the University of Texas at Austin who wasn’t involved in the research.

https://www.cambridge.org/core/journals/ancient-mesoamerica/article/lidar-analyses-in-the-contiguous-miradorcalakmul-karst-basin-guatemala-an-introduction-to-new-perspectives-on-regional-early-maya-socioeconomic-and-political-organization/31075DFA8ADBAA5E7C7320CA6DB93E5E really long file and link to the original paper.