During the festival, revelers can watch air shows, pilot competitions and concerts, and of course go up in a balloon (there are tethered flights for kids 5 to 12). Throughout the year, morning hot ...

Video footage from the first day of the festival shows the massive balloons, which lay flattened on ground, being inflated to full size, in front of the crowds before being launched into the air.

Have you ever wanted to see how hot air balloons work up close? Well some school children in Bristol could soon be doing just that, whilst learning about science, engineering and teamwork.