British business is world's biggest balloon manufacturer
8 August 2014 Last updated at 10:31 BST
The 36th International Balloon Fiesta is taking place in Bristol and organisers say they expect to attract 500,000 spectators.
More than 150 hot air balloons from over 100 balloon clubs plan to take to the skies during the four-day event.
BBC business correspondent Ben Thompson reports on how one British company has become the world's biggest manufacturer of hot air balloons.