the front lines of the fight against isis and syria, a view you have not seen. nick walsh and the border in syria to have battle to save the city of kabani. here's a first look. >> reporter: we've been taken down this street to the eastern front lines. to protect them from snipers and media, two of the female ypg fighters escorting us down there and this is near the eastern front where there's been much more aintense fighting. speaking to how much of the city is controlled and you see here, quite remarkable devastation caused by the explosives used.