Swimming is supposed to give you a healthy glow, but these swimmers weren’t quite sure what was going on when they took a late-night dip and turned a fluorescent shade of blue.
‘It was like we were playing with radioactive paint,’ said photographer Phil Hart who snapped the bizarre sight as his friends emerged from a lake in the dark of night.
The light is created by a chemical reaction called bioluminescence, which happens when a naturally-occuring micro-organism in the water is disturbed.
These images are particularly stunning because the concentration of the micro-organism ‘Noctiluca Scintillans’ was abnormally high when he took the photos at Gippsland Lakes in Victoria, Australia.
source:  dailymail.co.uk
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