. >> regina wilson was on the street below the tower.219 in her second year as a firefighter. >> and i prayed, and then i just asked god to just protect me and, if he couldn't, i knew that i would die doing what i love. >> inside the collapsing north tower, the menen of engine 39 we caught in a stairwell. >> and it started out slow, boom, boom, boom. then it got quicker. pretty soon, bam, bam, bam, bam coming down. >> jeff coniglio and jamie efthimiades were on the stairs near the ground floor with 110 floors above them. >> it took ten seconds for it to come down. but it felt like ten minutes. i saw i was in the background of a funeral. i saw my casket. i saw my parents, my wife sitting in the front, and as i'm watching this, all right, it's going to be quick. i am just waiting for something to tap my shoulder and figure i'll feel a tap and that will be it, we will be gone. we are not going to suffer. >> james mcglynn and bob bacon were in the same stairwell. >> the wind came up the stairwell, you know, blew me into the air, and the land