What happened to the participants of the 7th Congress of Integrative Orthoptics in Lucerne, on return from lunch break ? The testimonies are contradictory and defy reason. Attempted reconstitution, as faithful as possible.

Second Empire, short documentary film intended for 3D theaters, is a journey through the history of stereoscopic photography (from 1838 at the beginning of the 20th century), in the form of a montage of around sixty vintage stereoscopic views.

The film transmits, in about fifteen minutes, the information needed to understand this global phenomenon, popular and hidden. Gradually, a vortex opens.

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