How Did California’s Largest Chemical Spill Happen? | Massive Engineering Mistakes
In the town of Dunsmuir, California, a train derailment led to the states largest chemical spill, damaging the eco-system of the Sacramento River, but how did this happen? 🇬🇧 Catch full episodes of your favourite Quest shows on discovery+: https://bit.ly/3hMmzpZ Subscribe to Quest TV for more great clips: / subscription_c. . Follow Quest on Twitter: / questtv Watch Quest on Freeview 17, Freely 18, SkyQ and Sky+ 140, Sky Glass & Stream 140, Sky Scotland 141, Sky ROI 140, Sky Glass & Stream ROI 145 , Virgin Media 128, Virgin Media Scotland 137.

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