[Dormant] moved to !historyphotos@piefed.social

I mean the modern skyscraper is definitely built very different these days.
The world trade center used hollow exterior support so they could avoid having support columns interrupting the floor plans and large central support columns but you can see what happens when the exterior support gets damaged and heat causes sag from the weight.

Advanced techniques usually mean less material and faster build times.
You know what was even more solid? A huge pile of rocks in the shape of a pyramid.