It was also in Belo Horizonte that the rules of the game were first written, as well as the first 4️⃣ courts were built and the practice gained competitive sense with internal championships that were held in various social clubs of 4️⃣ the city.
At the end of 20 seconds, the referee announces "10" as a warning of the time remaining.
The feathers are 4️⃣ crimped and straight.
Doubles' games are played at 15 m x 7.5m.
Teams from Brazil, France and the United Kingdom were to 4️⃣ compete.[citation needed]