Back with Carlos. The pattern was becoming clearer, because the sound was not random, It pulsed in intervals, directional and guiding. Carlos raised his hand "Stop." The convoy halted instantly. He listened again, then nodded "Forward" he said as they moved, again, stop, adjust, forward. The fog began to thin slightly "Sir… visibility is improving." one of the soldiers shouted. Carlos nodded, "Stay on sound." The men moved carefully, the fog was still there but weakening, Its grip was loosening, like something losing control. A soldier suddenly spoke, "Sir! I can see the edge!" Carlos raised a hand "Don't rush it." They continued forward, step by step till the grey began to fade and shapes returned, and then distance and then horizon...And finally, air, clear air. Th

