building. whether it's the -- the ground movement with respect to the ground where the building stand. or -- but it's not the -- the other building around it. so -- >> professor, i really appreciate your -- your time tonight. thank you very much. now, to officials on the ground there with the latest information. they are holding a press conference. let's listen. >> we stand in solidarity, once again, to tell you we are working, around the clock, to search and rescue people in this rubble. and we did identify and declare, as safe, 102 people. and 99, we, still, cannot account for. some of whom may not have been in the building. so our firefighters, men and women, are working around the clock. a huge task force of people that are continuing. they're, right now, working. they are going to work all through the night.