in an address to congress, the president said, "as a symbol of america's resolve, my administration will work with congress, and these two leaders, to show the world that we will rebuild new york city." however, 20 years after the attacks, only four buildings, one world trade center, 3 world trade center, 4 world trade center and 7 world trade center, have been rebuilt. one building, one world trade center, is currently under construction.