The spiral stairs of Entry hall 951 climbed through nine hundred arm-lengths of solid banded limestone, twisting upward from the drowned safe hall of the foundational depths like the inside spiral of an ancient whelk shell.
Qiao Ming planted his left sole against the forty-seventh riser. The stone underfoot was cold and water-smoothed, coated in a fine, silken scum of green-grey sea-glass specks that yielded under the calloused pads of his splayed toes. For eleven cycles of cosmic deluge, these stairs had remained sealed behind the water-pressure floodgates, isolated from the churning black tides of the lower nave. Now, with the seals broken and the memory of eleven drowned epochs burning behind his temples, the stone breathed again. Moisture dripped continuously from the ribbed vault overhead. He fell in rhythmic, crystal drops that struck the pool below with the hollow care of water clocks. Each drop was a sound benchmark, counting the minutes before the final high slack water.
His oilskin coat, heavy with amber linseed oil and patched at the right shoulder with grey sharkskin, rustled with a stiff, parchment sound against the fluted limestone wall. Across his chest ran the harness of greased bridle leather, darkened by salt water and pinned with dull green rust buckles of cast copper. Every tool hanging from the leather straps had a distinct weight and purpose. The two bone styluses bound in waxed thread, the horn cup of sheep fat, the three soapstone pencils, and the folded brass star-compass tucked securely inside…


