I Am the First Person in the World

Gao Ge physically travels to the prehistoric times! "Help!" "The mountain under my feet is higher than Mount Everest, and I was stepped on by a monster and fell 30,000 feet underground!" "I am falling, how can I survive?" "Waiting online! Urgent..." "Bang!" Interpret a different prehistoric period! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.