Big Tech Is Downsizing Workspace in Another Blow to Office Real Estate
wsj.com
wsj.com
https://www.businessinsider.com/dropbox-ceo-employees-value-...
The entire building was gutted down to only it's outer frame, the support structure - the concrete slab floors and outer support pillars.
I guess getting planning permission for this was easier to obtain than demolition and building from scratch in that area.