This month we hear from the makers of the five films nominated for the Academy Award for best feature documentary. Today, director Mstyslav Chernov, Pulitzer Prize-winning video journalist at The Associated Press and president of the Ukrainian Association of Professional Photographers, talks about his feature documentary, 20 Days In Mariupol, and his experience with his fellow journalists trapped in Mariupol as the Russians invade.

Check out the interviews with all the nominees.