Gallery - Why the Hyatt Regency Building Collapse Was So Deadly

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Why the Hyatt Regency Building Collapse Was So DeadlyThe disaster killed 114 people and injured more than 200 others.300+30, features, Hyatt Regency Hotel, Hyatt Regency skywalk collapse, Kansas City, Missouri, July 17 1981, Mark Williams, Jack Gillum, Daniel Duncan, Havens Steel Company, Hallmark, Crown Center Redevelopment Corporation, National Bureau of Standards, ASCE, International Building Code, Structural Engineering Institute, tea dance, hanger rods, box beams