Uploaded May 2024 | Updated September 2026, 2 weeks ago

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The in-depth story of the Zhengzhou Metro Line 5 Flooding Disaster 2021. A subway ride home quickly turns into a nightmare when over five hundred passengers get trapped in a flooded tunnel between two stations.
But how could such a life-threatening situation possibly unfold on a routine subway commute?
Why was there no emergency response?
And was this a natural disaster or a man-made catastrophe after all?

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We reveal the world's darkest and greatest disasters all based on true stories.
This disaster documentary is inspired by the fantastic "Fascinating Horror".