a letter in the file written by yvonne describes how their town near kharkiv was bombed in 1943. the similars, down to the dates, haunting. translator: the germans bombed us from march 2nd to march 19th. every day, from morning to evening, for three days, we were hiding in our cellar. on march 5th, a bomb hit our barn. reporter: ala grows emotional over the pair lels to what the russian army is doing now. translator: they just destroy them. destroy them deliberately. destroy them ruthlessly because well, because it s genocide. it s just genocide of the ukrainian people. reporter: katya and ala s bond started when ala reached out to the museum a year ago via e-mail. simply seeking more information about her family. then, the war started and ala wrote again asking for help. and after days traveling by train, car, and on foot, they