Remco Douma, a Dutch photographer who resides in Uruguay, managed to capture the crazy, yet beautiful, bioluminescence phenomena at Brava beach near Punta del Este. The “Sea Sparkles” he photographed were caused by a non-toxic, dinoflagellate species called Alexandrium fraterculus. Dinoflagellate bioluminescence is controlled by circadian rhythms and only occurs at night. More than 18 genera of dinoflagellates are bioluminescent, and the majority of them emit a blue-green light. Click here to view the first image in today’s viral picture gallery. Continue reading for the five most popular viral videos of today, including the oldest footage of London ever.