![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh1unuH0LjBh0YuEKbbkB_GEWlEyLxrled15_4GA8UvpzmHWPQPV4n06Od7D7RlfOmFxa5LSXzqa30Z6TNOHfcHeZKKupL2yc0HsQO0y585Es_2OerBTrphaTSqyeQip2PQzs-MGF5gyg8/s640/f.jpg)
A bizarre phenomenon that has turned the
water in an Australian lake a fluorescent shade of blue.
Swimmers who took a midnight dip in the lake
in Victoria also appeared to glow in the dark thanks to a chemical reaction
called bioluminescence, which happens when a naturally-occurring micro-organism
in the water is disturbed.