Camp San Lorenzo
"Karez," Alena said, suddenly, looking up from where she lay in full proskynesis of the floor before a befuddled Hamilcar. "My Lord gave me the insight. Truly he is a god."
"What was that? Karez? And please stand up, girl."
Seeing Hamilcar did not object, Alena stood and said, "What was bothering me; I know now . . . the karez. You know, the underground aqueducts?"
"What about them?" Fernandez asked.
"I think that if one passes close enough to the enemy base, they will have tunneled to it."