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Workers begin grinding the marble chunk-infused floor of the Media Lab extension’s central atrium, which will be polished to a glossy finish. The expanse of interconnected airspaces surrounding the atrium necessitated smoke curtains (left) for emergency air evacuation, shown here closed for testing.
Workers begin grinding the marble chunk-infused floor of the Media Lab extension’s central atrium, which will be polished to a glossy finish. The expanse of interconnected airspaces surrounding the atrium necessitated smoke curtains (left) for emergency air evacuation, shown here closed for testing.