Make a “tennis court” according to the real one’s proportion( 3:1).
Size : length 12.20m × width 6.097m.
Respectively put two piles of millet crust about 50kg at the both sides of court’s infield.
Place a blowing machine at each side of outside court, and to make them blow when it
exhibits. ( The blowing machines will be powered on one after another: one blower starts to blow up the millet crust for minutes and then stops, until the crust completely fall on the ground then the other blower starts to work. Loop like this.)
The net in the middle of the court is made by the fishnet which I used when I was little.