Ten Thousand Years After the Start

Ten thousand years after the start! Thousands of years ago, the earth was invaded by a dimension, and civilizations faced off! Humanity was defeated by the alien world, and finally used nuclear bombs to block the transmission channel, and everything in civilization was reduced to ruins! The protagonist travels through time and realizes that everything on earth has changed! What? Orc wise man proposed the concept of geocentrism and caused a sensation? Is it the most advanced astronomical theory? What? Are humans physically weak and mentally retarded? Is it an out-and-out inferior race? The entire world has been occupied by orcs, and humans can only survive on the edge of the world! In this regard, Su Ran just wanted to say: "Sorry! Let me repeat it again! This is not a rise! This is a great revival!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.