Pretty amazing buildings and a land mark of American success... pretty cool. 

Some pretty interesting facts about these Twin Towers...things I didn't know.

1. Groundbreaking for the construction of the WTC started on 5Aug1966
2. When WTC TT were completed, total cost to the NY Port Authority was $900 million
3. First tenants started moving into North Tower 15Dec2970
4. South Tower acceppeted tenants Jan 1972
5. 1979, WTC was completely sold out.
6. TT were built on a site called "Radio Row", a warehouse district that consisted of several electronic stores - and was said to be the origin of the electronic component distribution business.
7. That area was torn down to make way for the WTC, which we knew before the 11Sep2001 attack