At a Swiss amusement park, two dolphins died recently, after a loud techno party took place only a few yards away.
The dolphins were subjected to 16 hours of loud, thumping electronic music. Animal activists say this type of music can stress dolphins out so much that they drop dead.
And that's what they're claiming happened. An 8-year-old dolphin died 20 days after the party. Then another, 30-year-old, dolphin died soon after.
No one is sure if the techno actually lead to the death of the marine mammals, and Connyland, the amusement park, would be the first to deny it, having said on their website: