Transcript for Mosul's battle zone full of destroyed buildings, roads

Who just arrived inside the old city in Mosul this is where the fighting has been its most intense this is well crisis is still holding out. I don't want you to see the destruction of that. And it's almost total there isn't a building there isn't a calm there isn't destruction there isn't a road that has indeed. Severely damaged this it's like a scene from the movie set like blood the Second World War just look at this over here. So we've got a massive crater in the ground that all the see from aerial bombardment by the US led coalition. You can see the cost to the rights let's just look at it building up here. Almost every building looks like this the ruse of being blown out this is red because the roof is still standing but we just go slug it to the left. Over that. They're all the rooms this is very near the Al Noory mosque this is a loss west Baghdad a who leads die sis. Gave his famous sermon weight he's pled himself the pilots the lead a five cents. Amazing to believe that anybody managed to survive this many didn't. But incredibly every now and again with those same people. Emerging from within the rubble. This is what they call home in old time Mosul.

This transcript has been automatically generated and may not be 100% accurate.