In a certain 'parallel time and space', humans on one of the planets experienced the Stone Age for millions of years, then the Bronze Age and the Iron Age for tens of thousands of years, and then passed through the Steam Age, the Electric Age, the Atomic Age, the Information Age...
With the rapid development, the human beings in this "parallel universe" have already achieved a certain sense of "unification". Through the joint efforts of "all mankind", they have arrived in the era of effect.
Concept: Upgrading the technological capabilities of funny science fiction in the future