Austria explores abandoned salt mine and discovers 305-meter tunnel network from 7,300 years ago

Original: A Áustria explora uma mina de sal abandonada e descobre uma rede de 305 metros de túneis de há 7.300 anos

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Under a mountain in Austria, archaeologists investigate 300 meters of structures linked to prehistoric mining and find objects preserved by salt. The post Austria explores an abandoned salt mine and discovers a 305-meter network of tunnels from 7,300 years ago appeared first on Catraca Livre.

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