there s a blackout. it s not there s no electricity. we don t have cell phone coverage. we don t have internet. we have a truck that comes into kharkiv. we can t get in touch with people in the warehouse. we have to bring generator for the place of heating where we went and couldn t bring the generator. we just have to get used to it. it s a mess. reporter: you know, when you spend time out talking to people, you quickly realize that a key line of defense for ukrainians this winter will be their neighbors, their friends, people who they don t know but maybe have seen passing before in the street. before the war, she was a biologist. she worked at a university well-established, esteemed in her field in russia. she came home to kharkiv where