'Mammoth traps' dated around 15,000 years old discovered in Mexico(1/2)

Mexican anthropologists say they have found two human-built pits dug 15,000 years ago to trap mammoths.Researchers from Mexico's National Institute of Anthropology and History said Wednesday the pits were found during excavations on land that was to be used as a garbage dump. The pits, filled with bones from at least 14 mammoths, were found in the neighborhood of Tultepec, just north of Mexico City. Some of the animals were apparently butchered. (Photo/IC)

Mexican anthropologists say they have found two human-built pits dug 15,000 years ago to trap mammoths.Researchers from Mexico's National Institute of Anthropology and History said Wednesday the pits were found during excavations on land that was to be used as a garbage dump. The pits, filled with bones from at least 14 mammoths, were found in the neighborhood of Tultepec, just north of Mexico City. Some of the animals were apparently butchered. (Photo/IC)