Archaeologists have uncovered a 17th-century tunnel filled with indigenous rock carvings in the city of Ecatepec in Mexico.
Source: https://www.livescience.com/17th-century-tunnel-discovered-mexico.html
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Archaeologists have uncovered a 17th-century tunnel filled with indigenous rock carvings in the city of Ecatepec in Mexico.
Source: https://www.livescience.com/17th-century-tunnel-discovered-mexico.html