Sam and Mary were injured, Tom was nearly buried in a cave-in, and now the walkie-talkie was dead. Perhaps it had broken when he fell. Tom quickened his pace even though he had no idea where this tunnel would lead or what he might find. After what seemed forever, Tom came to an iron staircase that led upward 10-15 feet and ended at a concrete circle. Tom climbed the stairs, but stopped dead in his tracks. Directly in front of him was a skeleton...