How do you make a hot air balloon fly?

Name: How do you make a hot air balloon fly?
Uploaded: 2010-08-13T10:58:24.000Z
Description: Events are under way at the 32nd Bristol International Balloon Fiesta, so the BBC's John Maguire went along to find out how to fly a hot air balloon.

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Events are under way at the 32nd Bristol International Balloon Fiesta, but how is it that the hot air balloons take to the skies?

The BBC's John Maguire has been speaking to those in the know to find out more.

13 August 2010