Boom, boom, boom: Joe Ghazzal is a firework that makes us go aah, aah, aah

Putting on a fireworks show isn't just about igniting the light and letting your colours burst as they shoot across the sky, explains fireworks expert Joe Ghazzal.   

Kids, grown-ups, old people – everyone enjoys a fireworks show. It's one of the few sureties of life, that a grand display of fire, lights, colours, bangs and booms high up in the sky, can stop anyone in their tracks and make them look up to the heavens to marvel at the man-made pyrotechnics.