a cry of the faithful among the loneliest, most vital fight. they take gabriel to another front lien near the airport. another extreme stronghold. >> you see that building there? >> it is very near. >> 50 meters. from this point, 50. from another opponent 15. >> this is their day to day existence. cat and mouse amid the rubble of their own world. they have struggled with the commercial hub for two years now. that crack is them returning fire with heavier weapons.