with some of the ukrainian refugees who have fled since the invasion started and are now in poland. obviously, that has the potential to be a very emotional day for president biden and after that, he'll get what the white house is billing as a major address. i'm told it will be a broader look at what this trip has meant, not just for him but overall, the invasion. unfortunately, they don't expect to it end any time soon. after that, he'll return back to washington. >> all right, kaitlan collins reporting for us from warsaw. more than 570,000 refugees have fled into romania. cnn's miguel marcez joins us from b you were ch arrestest. >> it is not a clear pros how they get those visas.