large circle on the landscape, and it's intended to focus everyone's viewpoint towards the impact site. when visitors come to the site, they ask us two questions. where did the plane go in the ground and how close can i get? the first phase of this construction will help visitors understand that and allow them to be as close as we are standing now to the impact site. on top of the hill will be the future development which is the visitors center and the memorial groves of trees which is -- will give the site its color. there will be a mixture of red maple ts, sugar maples, chestnuts and other type of tree that is give the color and the fall color if you're here in the fall, that give the sense of color to the site. but it's still focusing everything on the impact site. >> for the last five years we've been recording stories with all sorts of people who have a connection with flight 93 and september 11th.