Planet of Secrets
Планета загадок
Watch planet of secrets M4uHD. A popular science film about the exploration of one of the planets of the solar system - Mars.
- Genre: Documentary
- Country: Soviet Union
- Director: Mikhail Kaufman
- Cast: Leonid Khmara, Nikolay Kozyrev, Nikolay Barabashov, Gavriil Tikhov,
