Archaeologists using drones uncover 4,000-year-old fish-trapping canals made by ancient Mayan predecessors
Fox News
Archaeologists working in Central America have discovered a series of fishing-catching canals made by pre-Columbian Mayan predecessors thousands of years ago.
The fish-trapping canals, built around 2000 BCE, continued to be used by their Mayan descendants until around 200 CE.
"This is the earliest large-scale Archaic fish-trapping facility recorded in ancient Mesoamerica," the study authors wrote in Science Advances, adding that "such landscape-scale intensification may have been a response to long-term climate disturbance recorded between 2200 and 1900 BCE."
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