It’s amazing that Ground Zero hasn’t been rebuilt yet. There’s a plan, which you can see here.
I think that they should rebuild what was there. The former Twin Towers defined the New York City skyline.
You can visit the site today, but there really isn’t anything to see; it’s all blocked off.
In this image, you have twin traffic lights and twin shadows. Nothing like a sunny New York City day with temperatures in the 30s. I was lucky when I visited there last week. The weather was perfect!by