At last weekend's Tokyo Hotaru festival, 100,000 little balls with LEDs inside floated down the Sumida River. From a distance, they look like a blur on the river. Close up, they look like fireflies dancing on the surface of the water. You can view more pictures at the link.
Link -via Colossal | Photo: Tokyo-Hotaru
Due to wash up on the West Coast of North America next year.
reading saves all that jumping to conclusion energy
Good on ya! Japan.