@amazeifystore: In the Mont Blanc Tunnel, the smoke became the deadliest danger. 🚨 In 1999, a truck fire trapped drivers in a single-tube tunnel, where turning around wasn’t an option. The blaze lasted more than two days, and 39 people died, mostly from toxic smoke. What safety failure stands out to you most? #MontBlancTunnel #TunnelFire #SafetyLessons #History #DisasterHistory #FireSafety #Engineering