In a few recent bridge collapses and such I've seen they've used past satellite data to see how there were signs months or years in advanced.
Was also some similar evidence regarding three gorges dam, and how it's not doing so great. Ie estimated height of surrounding area over time to indicate problematic movement, or something like that.
Was also some similar evidence regarding three gorges dam, and how it's not doing so great. Ie estimated height of surrounding area over time to indicate problematic movement, or something like that.