Le syndrome d'Unspunnen (2023)
220 years after its "birth", 40 years after its theft, 22 years after its reappearance and 18 years after its second disappearance, two filmmakers follow the trail of the "unspeakable" Unspunnenstein.
- Country : Switzerland
- Genre : Documentary
- Studio : Casa Azul Films, RTS
- Director : Robin Erard, Samuel Chalard
- Cast :