The library of ground
Every place Strata has dug, assembled from its sources and filed by locality and era. A place is reviewed again whenever the ground beneath it is dug afresh.
528 places · 215 localities · last reviewed 27 October 2026
China
BeijingBeijing's ground holds a Jin dynasty capital burned in 1215, a Ming temple built to store scripture beside the imperial canal, an air force hospital raised from open ground in 1950, and a radio university founded in 1978 to teach a country radio lessons it could not otherwise reach.
5 digs
56 records
56 records
Emperors, priests and a Mongol prince, filed under a subdistrict
Xicheng District · 938–2014
This is the first instance of cross-platform interchange in the Beijing Subway
Fengtai · 206 BC–2023
An air force built its hospital where nothing stood before
Haidian · 1213–2012
A radio signal replaced the schoolroom
Fengtai · 1867–2014
A canal-side treasury that became a ruler's birthday stop
Haidian · 1159–2023
A record of ground, not a magazine.
Nothing here was commissioned. Each place is assembled from its own sources, published at the resolution of the ground rather than the point, and reviewed again when the record changes. No page reports a person.