What Killed the Ailao Four?

The death of four geological surveyors in southwestern China kickstarts a strange modern mystery and a chain of theories on the internet on how it happened. The government gave an official explanation, but what does the internet think?

Few mysteries have such a sinister reputation that they remain well into the next century despite being mostly solved or debunked. One of those cases is the Dyatlov Pass Incident in 1959, in which nine experienced hikers died in the Ural Mountains. Another is the far more recent death of the Ailao Four in 2021, in which four Chinese geological surveyors turned up dead after being missing for eight days. They were found with smiles etched on their faces and one of them had no clothes on.

Who or what killed them? How? And when did they die in the eight days they were missing without contact?

In this disturbing mystery deep dive, I look at the case details surrounding the deaths of the Ailao Four in November 2021, analyze the theories explaining how they could have died, and offer my own thoughts on this disturbing, modern-day Dyatlov Pass-esque incident.

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0:00 Intro
1:15 The Ailao Four
4:49 A disturbing history
8:18 Theories
11:47 Lake Nyos
14:16 Analysis

Sources:

Media licensed under CC BY-SA 4.0. All usage within this video is for documentary and transformative purposes only and does not indicate any political views or statements.

Drone imagery courtesy of China Central Television (CCTV).

https://mp.weixin.qq.com/s?__biz=MzUy...

https://web.archive.org/web/202210270...

https://web.archive.org/web/202210270...

https://zhuanlan.zhihu.com/p/436631391

https://www.timeanddate.com/weather/c...

https://www.sciencedirect.com/science...

https://www.medicalnewstoday.com/arti...

Research Assistant: John T.