Caught Live on Instagram: "On June 11, 1955, the 24 Hours of Le Mans turned from a celebration of speed into one of the deadliest catastrophes in sports history. Midway through the race, Mercedes driver Pierre Levegh was speeding down the main straight when a slower Austin-Healey in front of him abruptly moved to avoid another car. Traveling at over 150 mph, Levegh’s Mercedes clipped the back of the Austin-Healey, launched into the air, and exploded into the crowd. The car disintegrated on impac