Everybody was telling me that the Wieliczka salt mine was a great place. It is true that it is classified in the  Unesco World Heritage List. But I did not want to go there alone, so I waited for some visitors. Finally, I went there yesterday with my brother Denis, who came for a week holiday with his family. Wieliczka, a small city near Krakow, has the salt mine from the 11th Century. Nowadays, only infiltred water is treated. Out of the 300km underground galleries, only 3 km could be […]