Sand Sea Era

The prosperous plains and river valleys of old times were reduced to deserts of death, while the once remote, barren mountains and rocky plateaus became isolated islands of civilization… Altitude is power, terrain is security... Biological variation, human variation… Can mutated humans still be called humans? When conflicts arise between species, are humans the only ones most qualified to survive? Can the male protagonist Lin Qi find a real way out on the ruins of civilization...