Transcription: By the following day we had already forgotten about our sufferings. We breakfasted with a good appetite, drinking our fill of the excellent water. Let's be moving, I cried, and off we started along the granite tunnel, the stream flowing quietly at our feet. Our path now began to trend downwards in earnest. Then, when our estimate showed we had reached a depth of about six miles, we received another unexpected surprise. A frightening well suddenly opened up at our feet. This will take us a long way, cried my uncle in rapturous delight. The projections from the rock form an ideal staircase. The ...
