The Vallorbe Caves, a journey to the center of the Earth, on the road connecting Vallorbe to the Joux Valley, in the Jura Vaudois (western area of the Jura mountain range).
The Vallorbe Caves, a journey to the center of the Earth, on the road connecting Vallorbe to the Joux Valley, in the Jura Vaudois (western area of the Jura mountain range).
