Dam Collapse That Took 240K Lives You've Never Heard Of | Unclassified China

In 1975, a dam in China collapsed and unleashed a wall of water kilometers wide.

Entire towns disappeared.

The death toll may have reached 240,000 people.

The engineers had warned them about this prior.

Welcome to Unclassified China.

Chernobyl became synonymous with communist technological disasters.

But in 2005, the Discovery Channel put together a list of 10 worst man-made technological disasters in the world history.

Chernobyl made the list, but Chernobyl wasn't number one.

China beat the Soviet Union to the top spot.