?INNOVATION ??

A revolutionary, world's first printing technology was used.

?

?Step 1: a huge poster of a totally black sky

?Step 2: when pictures were taken using flash,

?Step 3: fireworks appeared and lit up the sky

?INNOVATION ??

Fireworks from 47 prefectures can be displayed freely.

?It was a system to bring up the fireworks festivals around Japan,

where docomo provides reinforced networks.