@amazeifystore: This blueprint cost $650M and dozens of lives, all because of a single missing shear pin. Can you spot the fatal flaw? #engineeringfail #audit #forensics #architecture #bridgedisaster #designflaw Disclaimer: Historical reconstructions in this video are produced using AI visual technology to bring the past to life. All research, scriptwriting, and narration are performed by a human creator to ensure accuracy and technical integrity.