(Siffre)

Content: 375 feet below ground, French Scientist Michel Siffre must reconnect with the surface and let them know he is alive.

Countries:

United Kingdom

Genres:

Runtime:

15 minutes

Year:

2017

Directors:

Henry Crisp

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Production companies:

Sir Frank Films,

Sound/Image Cinema Lab

Actors:

Siffre

Crews:

Director

Writer

Writer