Género: Documental
Estrellas: Pierre Goeldlin, Stéphane Cottet, Roger Hartmann, Georges Gillièron, Sylvia Capuana, Harald Kammer
Personal: Guillaume Main (Camera Operator), Bernard Duc (Sound), Axel Lakhdar (Camera Operator), Georges Gillièron (Scientific Consultant), Hassan Lakhdar (Post Producer), Pierre Goeldlin (Scientific Consultant)
País:
Idioma:
Estudio: Teenergy Productions
Duración: 1:47:31 minutos
Calidad: HD
Lanzamiento: Jan 01, 1970
IMDb: 10
Palabras clave:switzerland, swallow (bird), biodiversity, environmental documentary, bird, animals & nature
