It curved gently out of sight, the air cooler and heavier beyond it, carrying with it the steady sound of moving water. “This isn’t just a room,” Nora said, voice lower now. Ethan angled his light toward the opening, the beam swallowed almost immediately by the bend in the rock. “No,” he agreed. “It goes deeper.”
Rough steps had been carved into the stone, descending deeper into the mountain. Nora’s voice dropped. “This isn’t just built into the cliff,” she said. “It goes through it.” Ethan angled his light down the passage. The beam disappeared far sooner than it should have, swallowed by the curve of the tunnel. Somewhere ahead, the air felt cooler, heavier.