Personal highlights

1. Sala: small town near Stockholm, only emerged with the mining activities
2. Silver Mine: important source of lead for Sweden since the 15th century
3. Excavation: between its beginnings, the mining technique evolved dramatically
4. Geology: the rocks were formed 2 billion years ago during the Paleoproterozoic
5. Museum: since 1988 the mine is still and used as an educative museum

Image sources

1. Old buildings, now an exhibition
2. Local guide showing us around
3. Official Sala Silvergruva Logo
4. Walking underground