“Curiosity is the driving force behind exploring the unknown world, but excessive curiosity not only kills the cat, but also lures people towards the abyss.” The group sat inside the airship, discussing the marvelous journey they were about to embark on. A gentle spring breeze brushed against everyone, uplifting their spirits. “Well, as Professor Dong said, we may have entered a parallel universe.” We might have incidentally entered a suddenly opened and safely passable wormhole on our way back to Earth, which b