Just 100,000 LED Spheres Flowing Down a Japanese River
Those crazy Japanese really know how to light things up. As part of the inaugural Tokyo Hotaru festival held last weekend, 100,000 illuminated blue LEDs were released in the Sumida River.
Dubbed “prayer stars,” the LEDs were provided by Panasonic, who claims that the balls, which were designed to light up upon contact with water, were 100% powered by solar energy.
The massive installation of solar-powered spheres was meant to mimic a swarm of fireflies dancing on the river by moonlight.
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