are a visual event in which pyrotechnic products – fireworks – are used to produce an entertaining display. Fireworks are most commonly displayed on New Year’s Eve.
Fireworks are generally explosive charges triggered by a lit wick, the purpose of which is to generate floating material, exploding sounds, and light effects. Today, the majority of the world’s fireworks are manufactured in Asia, with China alone responsible for 70 per cent.
Source: Wikipedia (extracts from the Finnish-language entry ”Ilotulitus”)