A documentary about Italy's underground oil and metan deposits, sponsored by Italian state-owned oil company, ENI. Pictures of the state-of-the-art oil infrastructure are mixed with others of the traditional way of living of poorer Italian regions.
| Writing | Alberto Moravia | Writer |
| Directing | Joris Ivens | Director |
| Editing | Joris Ivens | Editor |
| Directing | Paolo Taviani | Director |
| Directing | Vittorio Taviani | Director |
| Camera | Oberdan Troiani | Director of Photography |
| Camera | Mario Volpe | Director of Photography |
| Sound | Gino Marinuzzi Jr. | Original Music Composer |