The mine twisted to and fro beneath the valley floor. Davud felt through the dark, continuing to support the Sultan. The incessant rain had made the passage miserably wet and the walls were damp and crumbling to the touch. Beams had been erected to support the ceiling, but it was evident that many passages had collapsed under the weight of the waterlogged earth above. Eventually the soggy wall turned to chiseled masonry.
“The foundations of the city walls,” Davud whispered.
The passage followed the foundations for several yards. Holes were drilled into the granite and stuffed with gunpowder ready to explode and collapse the fortifications above. There was a flicker of light ahead of them and the sound of miners extending the tunnel, oblivious to the calamity that was occurring above gro
