Archaeologists using drones uncover 4,000-year-old fish-trapping canals made by ancient Mayan predecessors

Archaeologists, with the help of drones and Google Earth imagery, have discovered 4,000-year-old canals in Belize that were once used by the predecessors of the ancient Mayans to catch freshwater fish.  “The aerial imagery was crucial to identify this really distinctive pattern of zigzag linear canals” study co-author Eleanor Harrison-Buck of the University of New…

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