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100,000 LED Lights Illuminate a Japanese River

Tokyo Hotaru Festival 2012 took place recently, releasing 100,000 blue LED lights to float in the Sumida River. The bulbs rolled along the waves of the river bank, mimicking hotaru (the Japanese word for “fireflies”), for the festival that celebrates the Japanese tradition of watching fireflies float along a watercourse. The spectacular event lit up the waterway with a sparkling sapphire radiance against the night sky.

The solar-powered LED balls, known as prayer stars, were designed to illuminate when they came in contact with water and were provided by Panasonic, one of the event's sponsors. At the close of the festival, the bulbs were gathered by giants nets and removed from the stream.

Photo credits: saihouan, Jeremy V, makure, ajpscs, Mai Suzuki, Hideya Hamano, maikegotchi
Tokyo Hotaru website
via [Spoon & Tamago]


Pinar Noorata is the Managing Editor at My Modern Met. She is a writer, editor, and content creator based in Brooklyn, NY. She earned her BA in Film and Media Studies from CUNY Hunter College and is an alumni of the Center for Arts Education’s Career Development Program in NYC. She has worked at major TV, film, and publishing companies as well as other independent media businesses. When she isn’t writing, editing, or creating videos herself, Pinar enjoys watching movies, reading, crafting, drawing, and volunteering at her local animal shelter.
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