The game of polo is attracting increasing numbers of Chinese. [Photo provided to China Daily]

Polo players are divided into different levels in different countries.

In Europe, they start at minus 2 and go up to 10, while in Argentina, they start at 0 because the general level in Argentina is considered higher than the world average.

A polo team usually consists of four players, and the total of the players' levels should add up to the level of the competition. Normally, teams agree on the game level before they play each other.

Polo needs an arena of roughly 275 meters in length and 145 meters in width.

Two posts are set roughly seven meters apart at the center of each end of the field. The aim is to hit the ball between the posts of the opponent's side, just like in football.

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