The following account was recorded in the agent's log during your transmission: Water pours down like a translucent sheet from a vast, ancient cistern's central opening above, feeding the maze of narrow canals that weave through a sprawling underground orchard. The air's thick with the scent of citrus, and the warm glow of luminescent mosses lights up the lush, green trees, their branches etched with what appears to be cursive script in an old, Sumerian dialect. Umm, a segment of the Kabbalistic Tree of Life seems to be physically rooted in the stone at the far end of the orchard, its ten sephirot shining like stained glass windows, reflecting no apparent light source.