Sorry about your loss.
Let's convince Larry Silverstein, who leases the property and wants to build Four 50 story buildings, to re-build the two towers but with 109 floors because the 110th floors will have everyone that perished there forever in spirit.
That would also leave room to put the crumpled Facade on the Property for Memorial as well.
This is strange to say but I lived there in New York for a lot of my life and ate at the restaurant "Windows On The World" up there 110 stories up quite a few times and if I perished there I would want them to re-build the Towers. I'm sure many of the close to 3,000 would feel that way too.
David McOwen