the terrorists on board. he notes and mementos at the temporary memorial in shanksville, pennsylvania, have been gathered up to make the way for a permanent memorial to honor the americans that aroset to meet the extraordinary circumstances on that flight. ken knacky's broer, joe which s one of them. >>heommon go is to see that the h 9eroes of flight 93 e honored and cherished and remembered. >> it is harder to leave he than to come here. >> reporter: the 2000-acre memorial site is protected national parokland. >> we wanted to capture the setting for the site. so when yocome here, it is not manhattan, it is not the pentagon. it is rural pennsylvania. >> reporter: a special place where gordon felts visits often to remember his brother, edward. >> there is something about this site that just naturally gives