The Pangyo Techno Valley vent collapse was an accident in Pangyo Techno Valley, South Korea on 17 October 2014, when 16 spectators at a nearby concert fell to their deaths when an underground car park ventilation cover collapsed.판교 환풍구 붕괴참사…사망 16명·부상 11명(상보) Approximately 700 people were in the park to watch the band 4minute perform.
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