The Wieliczka Salt Mine in Krakow, Poland, has been mined continuously since the Middle Ages and miners have carved elaborate

Advertisment
The Wieliczka Salt Mine in Krakow, Poland, has been mined continuously since the Middle Ages and miners have carved elaborate

The Wieliczka Salt Mine in Krakow, Poland, has been mined continuously since the Middle Ages and miners have carved elaborate underground rooms and intricate sculptures within the Miocene salt. There is

Source: HERE

Advertisment