shifted to the field now, now that it's under construction. >> she reviews the reinforced concrete every step of the way, make sure it's all done according to specifications. a project like this stretches the capabilities of engineers, but she wouldn't have had it any other way. >> the hours that i have spent and the depth to which i have been involved, and the insides and the outside, you know, the guts of what went into the building, you can't come out of the other end of that experience without having that really feel like a piece of you. humbling to be able to be a part of this. people from all different fields that are coming together to see this happen and see the rebuilding tapes. >> other people are looking at the project in a very different way. larry silverstein has set up an artist colony in tower 7,