If my friend, an engineer, had not told me that the pipe was dangerous, I would not have bought a ticket on that fateful night, and the world would never have known the history of the Golden Cave and the City of the Dead. Therefore, according to the generally accepted custom, when I first presented my report as the sole survivor of the disaster under discussion at the International Committee for the Study of Natural Disasters, I am now ready to present this story to the whole world. Naturally, I know about many wild tales and rumors that have been circulating since the accident, but I must...