I was snorkeling Sunday, it was a beautiful morning with clear sky, I come back to beach after around 20 minutes in water to a shocking scene that a few life gu

I was snorkeling Sunday, it was a beautiful morning with clear sky, I come back to beach after around 20 minutes in water to a shocking scene that a few life guards are doing CPR on a unresponsive man(or maybe an teenager); That water is packed with people, and it is not deep, only around waist of an adult at where people snorkeling; but this still happened, and I didn't even notice it while I was in the water ...