Hours later, those words were still with her. Elena stood behind Mason again, watching the unexplained sonar returns from the new site. The first clear object appeared after several minutes. Elene saw a dark length protruding from the sediment. It had straight edges and a surface that looked worked rather than broken naturally. “Stop,” she said. Mason held position. Reed asked, “Man-made?” Elene leaned toward the screen. “I think so.”
A few yards farther on, the vehicle found pottery fragments, then a heavily encrusted metal fitting. The debris became denser. Elene felt her pulse rise, but she refused to name what she was beginning to suspect. Reed finally asked, “What is it?” She shook her head. “Let’s keep looking.” Ahead, sonar showed a much larger mass under the sediment. Mason slowed. “I don’t like flying straight into something I can’t see.”
“Then don’t,” Elene said. “Bring us a little higher.” The remotely operated vehicle rose. Its lights swept across the mound from above. One curved structure appeared, then another, then six more. Elene stared as the shape became impossible to mistake…