Behind the scenes of the filming of a film on climbing a cliff by Patrick Berhault and Georges Unia on the parishes of the route "La Tête de Chien" in Monaco. Director Laurent Chevallier explains the difficulties of filming at height, the kind of shots that are suitable and the specifications of equipment suitable for filming on a cliff.
![Pico Sacro [The Holy Mountain]](https://image.tmdb.org/t/p/w342/hr3xO9cKU0oRw8lEa3lXGTOKFRA.jpg)
