Watch Inside online: Episode 8 Collapse

In one instant, a building collapse, whether caused by a tornado, earthquake, terrorism or poor construction, can cost thousands of lives. But the tragedies can continue even after the disaster, as rescue teams search through the rubble. After decades of old-fashioned "digging out," engineers may have developed a way to provide a safer and more effective method of running rescue missions. AKA: Disaster Lab: Collapse

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