This interactive installation consists of a pyramid (33 x 24 x 17 meters) floating in midair constructed from 108 globes of light (2 meters in diameter).

Shogun Tokugawa Ieyasu loved the land of Sunpu; he built a castle there against the backdrop of the majestic beauty of Mount Fuji, that was to be his final abode. As an allusion to the shining towers of Sunpu Castle and the beauty of Fuji, we have created in the ruins of Sunpu's towers a floating pyramid of light.

In this pyramid of light unfolds a show of light and sound themed on Lord Ieyasu's life. Within the pyramid float spheres that change color when tapped and emit a noise unique to that color. The surrounding globes then resonate to emit the same colors and sounds, sparking a chain reaction that changes the entire color of the pyramid.