Survival in the Ocean: I Became the Only Spark of Civilization

Two thousand years ago, global sea levels rose and submerged all land, and humans around the world dived into the ocean. Evolved into marine people adapted to survive in the ocean, forgetting all land civilization and knowledge. Two hundred years later, the sea level finally returned to normal. Ocean people looked at the vast land with fear and ignorance. Su Xiao traveled across time as a land person on earth and became the only fire of civilization. "Why can you make fire with two sticks?" "Why do you look up at the sky and know it will rain tomorrow?" "Why did you shoot a mammoth with a pull of bamboo?" Su Xiao: "Don't ask why, isn't this common knowledge among land people?" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.