Notice before jumping into the pit: Clear water and slow heat, youth and cold body constitution.
Copywriting:
This article was written many years ago. At that time, the writing style was still very naive. I originally planned to overhaul it, but I found that there were many flaws that could not be corrected, so I left it like this. Please be careful when jumping into pits. The author will not be held responsible if you are injured by lightning!
Conception:
