The six-sided lead weight lay upon the white marble floor where Qiao Ming had dropped it at the end of the elevenfold epilogue. Its sixty deep-water lengths of knotted hemp cord lay coiled like a sleeping serpent upon the polished flags, cold, stiff, and coated in a fine white crust of dried sea salt. For three decades, that rope had been the physical extension of Qiao Ming’s soul. An organ of senses more acute than his eyes or ears, through which he read the ground shape of drowned cities and deep-sea trenches.
The cord had been crafted with extraordinary, painstaking devotion. Three strands of northern hemp, seasoned in rendered sheep fat, pine tar, and beeswax to resist the rotting action of deep salt water. Into the first ten deep-water lengths, black horsehair from steppe stallions had been woven alongside the hemp to give the line pulling spring against jagged dark rock reefs. Every knot had been tied by his own fingers at five-fathom intervals, marked with small lead sleeves stamped with depth numerals.
At the bottom of the line hung the twelve-pound six-sided line weight. Its shape was deliberate: six flat facets prevented the weight from rolling along sloping underwater bedrock. At the same time, its hollow cone-shaped base was filled with chilled sheep fat to capture bottom settled mud—sand, mud, fiery ash, or crushed shell. A fine copper wire ran through the core of the hemp to transmit subtle spark charges from underground stone veins directly into the land-mapper’s…
