Another moment of silence followed, heavy with shock and the faint hiss of unsettled air drifting from the open chamber. “Hazardous?” one agent asked. “Not in the catastrophic sense,” Halpern said. “But definitely illegal. Whoever built this was experimenting. Some hybrid strains, too, that’s what mutated into the walls.” Another pause.
“And the pressure buildup? Gas and moisture trapped behind the sealed door. If this had gone on much longer…” He didn’t finish. He didn’t have to. Daniel let out a shaky breath. Megan’s knees nearly buckled as relief washed through her. Above the hole, the atmosphere shifted, a mixture of exhaustion and stunned disbelief.