Is My Well Connected to Lilliput?

On a hot summer day, Ding Lei was fishing for iced watermelon from his well. By accident, he fell head-first into the well. He struggled in panic. The more he struggled, the more he sank to the bottom of the well. He felt that he was about to die young. I don't know how deep it sank and how long it took. Suddenly, Ding Lei felt as if something had been punctured and made a pop sound. At the same time, Ding Lei surfaced and breathed in the fresh air greedily...