jess tick gesticulating. so i get off the machine angrily. i go over to him and ask, what's the matter? he shouts, "take out your earplugs!" so when i take them out, my ears felt like they burst. [ screaming in foreign language ] >> translator: the rumble began. it sounded as if there was a war inside the mine. i began to tremble. i don't know if it was fear or a terror of dying. >> no one was even sure how many men were still in the mine. victor remembers working his way up the main tunnel, which miners called the ramp. >> translator: we continued on the truck up the tunnel. then we saw everything was blocked. there were big stones. the hill was still making noises. you could see the worry on everyone's faces. some went silent and shrunk back. they worried if they would get out. some were stronger than others. i went quiet at that point, answering my own questions. >> translator: i told myself, that's it, this is where i die. this is as far as i go. >>> coming up, rescue workers arrive, and in a race against time, scramble a plan to save the