Get these three children that have been identified, but there s a very, very likely possibility that there s more people that might be alive, and then in that situation, you have to maintain what you have, regarding the structure. so these beams are being put up, there must be a certain point in that building that s very critical that needs to be maintained and that s what they re doing with that. how real is the possibility that one misstep, one false move creates another collapse? that is always a danger and, you know, i mean, as i can see, they re kind of limited in what they have of the tools and equipment as they have with it. but they re very, very capable ....