Bioluminescent Sea Algae Create Stunning Effects at Port Lincoln

Taking a plunge into the deep blue took on a new meaning for night-time beachgoers in Port Lincoln, South Australia, on June 27, as bioluminescent algae lit up the water.

The bright blue glow is caused by a form of plankton that stores light energy during the day, and releases it when agitated. Credit: Mark Thomas via Storyful