# Skyscrapers on fire, not collapsing

**URL:** https://boards.straightdope.com/t/skyscrapers-on-fire-not-collapsing/553541
**Category:** Great Debates
**Created:** [September 12, 2010, 10:53pm UTC](https://boards.straightdope.com/t/skyscrapers-on-fire-not-collapsing/553541 "2010-09-12T22:53:57Z")
**Posts on this page:** 1
**Showing post:** 537

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### Author: ![Mozart1220](https://avatars.discourse-cdn.com/v4/letter/m/f1d935/32.png) [@Mozart1220](https://boards.straightdope.com/u/Mozart1220)
#### Post date: [September 29, 2010, 6:10pm UTC](https://boards.straightdope.com/t/skyscrapers-on-fire-not-collapsing/553541/537 "2010-09-29T18:10:59Z")

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> [@Gorsnak](#):
>
> > [@Mozart1220](#):
> >
> > A: the structure was hollow
> 
> Nearly all buildings are hollow, comprised mostly of air by volume. They aren’t really useful as buildings if they aren’t. The only exceptions I can think of are fortifications with massive solid walls, and special purpose structures such as the pyramids (which have demonstrated a marked resistance to collapsing).

There were no beams, girders or floors in it at all? Wow.

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