2 ... gold in women's singles tennis and gold in mixed doubles tennis, both at the 1900 Games in Paris.
Yes it is, many people in the world play professionally or teach tennis.
Because many of people all around of world like to play and watch tennis. It is good for health and soul. Also professional tennis tournaments are playing in most of countries and contribute to popularity of this sport.
There are many thousands of people that play tennis in the world. Some people play professionally while others play just for fun.
No tennis balls are not toxic. Many people may think they are but that is not true.
Many people in Paris use the Metro.
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About over 500 people and tourist walk all a round Paris.
There are a lot of people. There is no specific number, as anyone could start playing tennis any second.
According to Wikipedia (refer to the link, below), Prince Edward, the Duke of Kent, enjoys playing and watching tennis, as do many other people. He is the President of the All England Lawn Tennis and Croquet Club (AELTC), which he inherited.
2,203,817 people.
34 people