CNN’s Christiane Amanpour speaks with Mstyslav Chernov, a Ukrainian journalist and filmmaker who directed “20 Days in Mariupol”, a film about the brutal Russian siege of the city.CNN’s Christiane Amanpour speaks with Mstyslav Chernov, a Ukrainian journalist and filmmaker who directed “20 Days in Mariupol”, a film about the brutal Russian siege of the city.
