https://www.theothersideofmidnight.com/2024-04-13-hyperdimensional-breakthroughs/
Richard_CH has been a longtime proponent of the lost or collapse ancient civilization hypothesis.
https://robertmorningstar.substack.com/p/apollo-11-astronaut-buzz-aldrin-leaks
Of course it would be disturbing for several people to seriously consider that humanity might have made the climb from the stone age to the space age more than once. That some humans might have branched out to other worlds a very long time ago. Or, that the earth is but one of many inhabited worlds. It all gets into the Forbidden Archeology concept & its astounding implications.