As part of the recent Tokyo Hotaru Festival 2012, 100,000 illuminated blue LEDs were released in the Sumida River. The massive installation of solar-powered spheres were designed to illuminate when they came in contact with water.
Via MyModernMet
As part of the recent Tokyo Hotaru Festival 2012, 100,000 illuminated blue LEDs were released in the Sumida River. The massive installation of solar-powered spheres were designed to illuminate when they came in contact with water.
Via MyModernMet