9-11, give me a break.

[Thumpalumpacus]

The fires that caused the collapse were obviously lower than the 12th and 13th floors:



Additionally, the color of the smoke tells the canny fireman that petrochemicals (most likely plastics, in this case) were highly involved. Those burn are very high temperatures.

We have a hot fire on the lower floors of a large heavy building that burned unabated for hours. Steel loses 50% of its load-strength after 30 minutes exposed to 1300°F heat. The steel in the lower part of the building failed.

Dude, that picture is taken half way through it's near free-fall.

Here's a better one...

That smoke is still emanating from floors much lower than you'd claimed earlier, sorry.

Do you know how many blocks away it was taken? You can definitely see the burnt out floors and that looks fairly high....look at all those street lamps going off into the distance...

Silly. Even from your street-level shots, it's clear that that fire is very low in the building. Are you even looking at what you're posting? Or is this copypasta?

And this is the official NIST report: https://www.nist.gov/engineering-laborat...estigation

According to the report's probable collapse sequence, heat from the uncontrolled fires caused thermal expansion of the steel beams on the lower floors of the east side of WTC 7, damaging the floor framing on multiple floors.

[Emphasis added -- Thump]

Yeah, your source is verifying what I was telling you. Steel fails after prolonged heat exposure. Your own source says that it happened on the lower floors, just as I'd mentioned.

It may come as a surprise to you, but when supporting beams in a high-rise fail, the building cannot resist gravity so well. Collapse sometimes happens.

What do you think happened to cause that building to drop?

Be specific.