and for many millions of women: Artisanal and Small-Scale Mining (ASM). From gold, cobalt, copper and gemstones to salt, gravel and quarry rock: artisanal and small-scale mining) has played an active ...

But extracting the coveted salt means descending into dark caves, then blasting and carrying heavy rock. Faizan Panjwani: The problem is the massive size of the blocks that come from the mine.

The Wieliczka and Bochnia Royal Salt Mines illustrate the historic stages of the development of mining techniques in Europe from the 13th to the 20th centuries: both mines have hundreds of kilometers ...