I like this example of improvisation when SHTF. These guys have 40,000 years of living off the land and the culture of the Dreamtime. A combination of marginalisation, poverty and trivialising their existence apart from as a tourist trap, These guys are actually showing what it's really like for them on in the NTs
There's some great learning here
https://fb.watch/hZM5sMHFiw/