Mountain people are immortals. An immortal is like a person standing against a mountain.
Regarding the question of whether immortals exist, Shen Kuo, a great scientist in the Southern Song Dynasty, made a very subtle comment: "Humans can only know the things in the human realm, but what are the limits of things outside the human realm. It is not difficult to use the world's wisdom and emotion to measure the truth." In today's terms, world wisdom and emotion are science and technology. Science is constantly developing, but every stage has its limitations. Just like before people invented the microscope, they couldn't see bacteria, so they said bacteria didn't exist. Just because few people have seen gods, they naturally say that gods do not exist.
I was originally an atheist. But by chance, I got a strange ancient book. After studying it, I found that it actually contained a huge secret. From then on, in order to unlock this secret, I embarked on a modern version of the road to seek immortality.