Installing an off-shore gas platform can be a tricky proposition. Things can go very wrong. That's exactly what happened with this $US40 million Iranian platform was being installed in the Persian Gulf.
As terrifying as the footage is, there were no reported casualties; looks like everyone knew how to swim.
Still, that's a lot of cash going down the drain, and boy does it ever look like $US40 million worth of pure, unadulterated terror. [Reddit]