The Hidden City (2018)
- Genre: Documentary
- Release Date: 2018-11-18
- User Rating: 5.6/10 from 8 ratings
- Runtime: 1h 20min
- Language: Español
- Production Company: El Viaje Films
- Production Country: France, Germany, Spain
- Director: Víctor Moreno
A stunning descent into the tunnels, sewage pipes and subway stations of Madrid.
Unfortunately the movie The Hidden City is not yet available on HBO Max.
| Production | Eva Chillón | Producer |
| Production | José Ángel Alayón Dévora | Producer |
| Camera | José Ángel Alayón Dévora | Director of Photography |
| Production | Nayra Sanz Fuentes | Co-Producer |
| Directing | Víctor Moreno | Director |
| Editing | Samuel M. Delgado | Editor |
| Editing | Víctor Moreno | Editor |