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Human error? Faulty machine? Breakdown? Damaged part? Negligence? Or maybe several factors that occurred simultaneously and led to the disaster? When a plane disappears from radar, the whole world stares at it. When it turns out that the plane crashed - everyone asks one question: how did it happen? SUBSCRIBE: https://www.youtube.com/c/ngcpl?sub_c... You can find the dates of broadcasts and reruns at https://www.natgeotv.com/pl Follow us on Instagram: / nationalgeographicwildpl Join us on Facebook: / ngcpl #nationalgeographic #natgeopl #katastrophywprzestworzach