Afternoon, a lock man was replacing broken locks in this building. the world around him started to rumble. when the earthquake struck, what did you hear? [ speaking spanish ] reporter: martin found himself trapped with three women he never met before. he worked in the office. he says he can only move like a worm. he said they started getting really nervous because they re running out of air. what came next, we test of every shred of perseverance they could mustard. they have no time to react and ....