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[[File:AA7.png|thumb|left|200px|]] | [[File:AA7.png|thumb|left|200px|]] | ||
Just like the pictures on the left side, I will use tracking system to locate the participants and project the dots of rainfall to the ground where the participants are actually standing. And the circles and dots will change its size according to the position of the participants. At the same time, the screen behind will display the corresponding curve like electrocardiogram of each participants in different colors with their own rhythms of sounds. | |||