42°45′00″N 7°53′00″O are the coordinates of the region of Galicia. It is located in northwest of Spain and its popular for the granit rocks. For the extraction process the workers are exposed to silica dust. Each exposure adds to the lung damage (Silicosis).
Silicosis is a lung disease caused by breathing in tiny bits of silica. Over time, exposure to silica particles causes scarring in the lungs, which can harm your ability to breathe.
For the extraction they work in a quarry. Quarries change their environment. They displace huge amounts of soil and plants, and force animals out of the area. Abandoned quarries rarely leave enough soil to allow life to return to the area.