Dark Age of Awakening

Life has gone through a long time since the earth was formed, and no one can explain clearly what happened. The Cambrian explosion of life forms formed so many species in a short period of time, and why did so many biological extinctions occur? The remains of powerful and intelligent prehistoric civilizations can only make future generations wonder again and again. Where did the first life come from, and what is the meaning of life? When another opportunity is placed in front of mankind, where should mankind go?