How archaeologists are using futuristic tech to uncover ancient cities

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Cahokia Mounds State Historic Site

BACK in 2015, I stood in a verdant area in southerly Illinois, considering a map of the 1000-year-old area hidden appropriate underneath my feet. Nearby, autos drove by on a slim roadway and also a team of squat gas containers cast lengthy darkness in the morning sunlight. The area appeared like the borders of a common ranch community, however both archaeologists with me had actually revealed something that could not be seen with the human eye: stone’s throw listed below the ground were some shadowy balls, organized in a round pattern.

Sarah Baires is an excavator …