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Last Updated: Tuesday May 18 2010 17:28 GMT

Ricky gets breathless for England!

Ricky has been seeing what it's like to train at high altitude.

England's footy stars are training in Austria because it's high above sea level, as it will be in the World Cup in South Africa.

The higher up you go, the less oxygen is in the air, and the harder it is to breathe.

It means you have to get used to the altitude before you start playing tough footy matches.