

The edge of the continent curls over, everything gets dragged into the elemental garbage disposal of grinding rock and lava. Cities, cars, forests, buildings, everything. It takes a couple million years. But ya, everything gets digested. I think they call it the subduction zone.
Also, someday we will invent nanotrees. Plant them on ancient landfills. Bear fruit of pure iron, aluminum, gold. There is wealth there.
Jesus. I had no idea. He was a superhero.