There are various reports.
Wtc 7 roof.
Wtc 7 on 9 11 01.
The building was 610 feet 190 m tall with a trapezoidalfootprint that was 330 ft 100 m long and 140 ft 43 m wide.
One says that a man rode the steel beams down as one of the towers of the world trade center collapsed on september 11 2001.
The original 7 world trade center was a 47 story building designed by emery roth sons with a red granitefacade.
Yet at 5 20 pm 7 hours after the collapse of the twin towers wtc 1 and 2 wtc 7 rapidly fell in on itself.
Wtc 7 is the tall sky scraper in the background right.
World trade center building 7 5 20pm september 11 2001.
Transfer trusses used on the 5 7th floors to redistribute load to the foundation.
Wtc 7 was modified.
Penthouse structures added to the roof east half of floors 41 and 43 were removed and replaced hvac and communication systems were added from floor 28 to the roof fuel tanks and backup generators were added.
Seven years later investigators at the national institute of standards and technology nist concluded that wtc 7 was the first steel framed high rise ever to have collapsed solely as a result of normal office fires.
Since wtc 7 housed secret service and cia offices conspiracy theorists claimed that.
This is a raw unedited video taken from the roof of the world trade center north tower building 1 on july 15th 2001.
Wtc 7 collapsed completely on 9 11 2001 primarily onto its own footprint.
The 47 story wtc 7 was the third skyscraper to be completely destroyed on september 11 2001 collapsing rapidly and symmetrically into its footprint at 5 20 pm.
Seen from wtc plaza church street area.
Now that you have seen the still photographs it is important to the discussion which.