Inside Apple’s Earthquake-Ready Headquarters

The circular building housing Apple’s headquarters in Silicon Valley is so big, it’s nearly a mile in circumference. So it’s hard to fathom that it is not actually attached to the ground. The spaceship, as the building is often called, is a mammoth example of a technology that reduces earthquake shaking by as much as five times.
Read more: https://www.nytimes.com/2019/06/04/us/apple-headquarters-earthquake-preparedness.html?source=Snapzu