This image released by the Sundance Institute shows Mstyslav Chernov, director of "20 Days in Mariupol," an official selection of the World Documentary Competition at the 2023 Sundance Film Festival. Chernov’s documentary, a first-person account of the early days of the Russian invasion of Ukraine, won the audience prize for world cinema documentary at the Sundance Film Festival. (Sundance Institute via AP)