Illuminated walkways and mining equipment in the salt mine at Bex, Switzerland. The mine has been producing salt since the Middle Ages.

Illuminated walkways and mining equipment in the salt mine at Bex, Switzerland. The mine has been producing salt since the Middle Ages.

Illuminated walkways and mining equipment in the salt mine at Bex, Switzerland. The mine has been producing salt since the Middle Ages.

Illuminated walkways and mining equipment in the salt mine at Bex, Switzerland. The mine has been producing salt since the Middle Ages.

error: Content is protected !