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Birds & Bees by PBF
(i.imgur.com)
One of my favourite comic artists ever. His comics are equal parts bleak & funny. Found at https://pbfcomics.com/comics/the-talk/
Not that I'm trying to pick apart a darkly funny comic meant to hilight the bleak future we seem to be barreling towards.... But where do they get their nutrient paste?
I don't see a greenhouse so actual food is unlikely, and given the barren nature of their surroundings, either the dwelling is embedded into rock, or they don't go anywhere outside, hence the lack of a path or tracks. So no buying food.
Are they immortal? Cursed to live on a dead rock until the sun expands past the orbit of the earth? (I choose to believe this)
And here I thought my day was bad...
Maybe they have like an underground greenhouse with artificial light and irrigation
That was my next thought, but then where do they get their power, water, and oxygen?
I suppose it could be like a "reserve the surface room for a day" kind of thing, and hundreds of people live down below, with enough space for greenhouses and algea pools for oxygen production. Geothermal power, or simply a solar farm out of view, and deep underground natural water reservoirs...
I still think the immortal people in an indestructible house is probably the best bet.
So the look of this is similar to Silo 18 from wool and in that case they straight up used fossil fuels. The top bit was just for their exit and the cameras.