Whirlpools, how dangerous can they be? How deadly are they for human beings, how destructive are they for vessels? Can whirlpools suck ships, boats, or even barges in, or do they pose a danger only for human beings who fall into them?
In these shots you can see how the rafter Steve Fisher got sucked in by a powerful current that the athlete had the bad luck to encounter when descending the Congo River as part of a Red Bull-sponsored competition. Fisher, a world-class athlete, had a run in with the mighty rapids of this African river, yet this was not among the most dangerous whirlpools that exist on our planet, and far from the most dangerous whirlpools that are theoretically possible! Don...