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Ancient Rome: Scientists Explain Geological Mystery That Killed Animals but Not Priests at 'Gate to Hell'

Aristos Georgiou
Ancient Rome: Scientists Explain Geological Mystery That Killed Animals but Not Priests at 'Gate to Hell'

Archaeologists have uncovered fascinating new details about a cave in Turkey that ancient Romans believed to be an entrance to the underworld. Complex rituals once took place at the 2,200-year-old site in the city of Hierapolis, part of the province of Phrygia.