Mstyslav Chernov, the director, producer and cinematographer of 20 Days in Mariupol, introduces the film at its world premiere at the 2023 Sundance Film Festival on January 20, 2023, in Park City, Utah. AP Photo
Mstyslav Chernov, the director, producer and cinematographer of 20 Days in Mariupol, introduces the film at its world premiere at the 2023 Sundance Film Festival on January 20, 2023, in Park City, UtaShow more

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