Every year, as Buddhist Lent ends, crowds gather along Thailand's Mekong River for an unexplained spectacle. Glowing orbs—known as Naga fireballs—rise from the water into the night sky. They're described as reddish, ranging from faint sparkles to basketball-sized spheres. In a single night, witnesses report anywhere from dozens to thousands of sightings. Scientists have proposed various explanations—bioluminescent organisms, phosphorous gases—but the phenomenon remains a mystery. According to Boing Boing, this peculiar event has fascinated observers for centuries, blending ancient tradition with modern intrigue.

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