Beneath the log jam yawned a black crater where formerly the floor o the cathedral had been. The explosion had split the flagstone asunder, revealing the cellars, subcellars, and vaults deep below the building. These too were filled with a snarl of stones, beams, pipes, wire, the remnants of the Four Mile circus tents; all fitfully lit small fires. Then the first of the cop dripped down into the crater and illuminated it with a brilliant molten splash.