I’ve believed, I believe (2017)
Full-length documentary about the singers of the Cossack song ensemble Krugolet who are the only stars of the Siberian town of Dalnerechensk situated on the extreme border of China
Directors: Mariya Kosobokova, Polina Zavadskaya.
| Directing | Mariya Kosobokova | Director |
| Camera | Mariya Kosobokova | Camera Operator |
| Directing | Polina Zavadskaya | Director |
| Camera | Polina Zavadskaya | Camera Operator |
| Production | Darya Khrenova | Producer |
| Editing | Alexandr Minaev | Editor |
| Camera | Alexandra Ivanova | Camera Operator |
| Writing | Darya Khrenova | Idea |