This extraordinary video of a rescue (click here) has been viewed more than one million times.
It shows a batch of 30-dolphins swimming too close to the beaches of Arraial do Cobo in Rio de Janeiro and beaching themselves.
The onlookers at the beach rushed in to save the darlings.
They caught each and every one of them and dragged them out to the safety of deeper waters of the Atlantic Ocean.
A German tourist had captured the rescue on video and posted it online - it has been viewed more than one million times.