A person documents a line of Los Angeles County sheriff's deputies during a picket organized by the Coalition for Community Control Over the Police at the home of Deputy Miguel Vega, who fatally shot Andres Guardado in Covina on Aug. 2, 2020, in Los Angeles. (Dania Maxwell/Los Angeles Times/TNS) While no one can go back in time, virtual reality devices provide a portal to see and hear what three Holocaust survivors experienced during those frightening years by showing recently-made films that integrate archival photos and new footage to show how they survived in France, the Netherlands and China. The films…