Biography of Survival in Another World

A 21st century animal accidentally traveled to another world, where should he go? What is the difference between another world and the original world? Is it true that in this different world, treasures of heaven and earth can be found everywhere? Could it be that after time travel, we will become princes, generals, relatives of emperors, and descendants of immortals and gods? But what if you traveled to the past and were born as ordinary people? So how to survive? How can we become stronger step by step?