Watching it all, his younger sister, zlata. please be safe. please be safe. and with so much need here, that young volunteer who came from germany, helping these families, revealing to me one of the things they need most right now. the problem is that we can t find drivers to drive to the countries. that s the only problem we have. so we really need droiivers. reporter: to get them there. yeah. reporter: these busses picking up many of the refugees who walked here, crossing the border. through the window, we see the families who came on foot, pushing strollers. the children walking. long exodus for so many of these ukrainian families who say their journey has been days long. mothers carrying their children. the boy carrying his dinosaur. they come by foot, by bus, and by train. ....