Sandipta Sen Instagram – SALZWELTEN ~During the Neolithic Age – an almost incomprehensible 7,000 years ago – people were already busy here mining for salt. That makes Hallstatt the oldest salt mine in the world! #salzwalten #salzwaltenhallstatt #saltmine #hallstatt #europetrip2022 #europedestinations #austria Salzwelten, Hallstatt