souterra

In the aftermath of Judgment Day, we fled to the Exclusion Zone and sought refuge underground. This is what is left of our fallen civilization.

A simple method for detecting chaos in nature https://www.nature.com/articles/s42003-019-0715-9

Nature is chaos. Chaos is nature.

Unfortunately San Francisco is deep within the Exclusion Zone, but Chinese cuisine survives underground. No delivery, though.

https://www.moltensulfur.com/single-post/2019/12/24/Speleothems

We spend a lot of time looking at the caves around us. I figure the least we can do is be scientifically accurate.

They weren't far off the mark.