you ve seen the tremendous number of people, some 2 million people, who have fled ukraine and become refugees. they ve crossed the border into poland, romania, and moldova. we wanted to show you some of the people who have been internally displaced, people who don t want to leave ukraine. they ve stayed here. in some cases their husbands are fighting, their boichbds or parents are on the front lines. but they want to stay in this country, and yet they have children to raise and have to figure out how to build a new life while the war is going on. here s one family we met today in lviv. reporter: it s good to know there are some children in ukraine who have no idea the war has come. you like the sound of the pigeons? reporter: in lviv, a little girl named eva delights in feeding pigeons in the park. she s three years old, but this is not her home. she arrived two weeks ago with
green corridors will be open there today. if all goes as plan to cease-fire and evacuation also take place, they could already be under way. sumy one of the first humanitarian corridors agreed to by russia and ukraine earlier this week. it s also been the scene of heavy shelling and civilian casualties. now there is no there is growing concern for ukrainian civilians, of course, as the desperation and devastation on the ground worsens. for some, this isn t the first time fleeing a conflict. cnn s anderson cooper met one family who has had to abandon a home twice now because of war. reporter: it s good to know there are still some children in ukraine who have no idea the war has come. can you make the sound of a pigeon? in lviv, a little girl named eva delights in feeding pigeons in the park. she is 3 years old, but this is