The region where the 7.8 magnitude epicenter was recorded. nick, what are you seeing in this hour? >> reporter: yeah, absolutely right, abby, to say that window of rescuing people alive is certainly closing. it is still bitterly cold here. and the commotion you can see behind me is the continued bid in the dark of night to excavate. i think it's fair to say they're moving in a way that shows a lot less of the caution that when we saw when he first got here last night, piecing their way, very carefully, sometimes, by hand, listening for survivors, it's noisy, it's fast-paced. and sighi also hav...