New era Prequel

Glaciers melt, land decreases, oxygen content increases, living space becomes increasingly tight, most animals and plants die, and the surviving animals and plants evolve more and more aggressive in order to survive. Even plants attack animals to get more food to survive< br> In the face of an increasingly dangerous and complex living environment, no matter how high the wisdom, advanced technology and weapons, mankind can do nothing. The change of the earth is irreversible.