Why can fireworks be set off at the opening ceremony of the Winter Olympics?

Because the fireworks show can play a certain role in rendering the atmosphere.

The fireworks that students usually watch are fireworks bombs, but the fireworks used in the opening ceremony of the Beijing Olympic Games are a kind of luminous body, which is equivalent to the nature of signal bombs, but they are launched into the air in the form of dot matrix. Each "fireworks footprint" consists of 32 fireworks bombs, and the whole pattern is novel and meaningful.

The p>29 "fireworks footprints" step by step towards the "Bird's Nest", symbolizing that the Beijing Olympic Games is coming to us step by step. Fireworks in the Winter Olympics are adhering to the Olympic Games' green, open, enjoyable and clean concept.

Fireworks for the p>222 Winter Olympics

Like the opening ceremony, the fireworks display of this closing ceremony is the work of fireworks artist Cai Guoqiang. But behind him, there is a fireworks group of hundreds of people, who turn their creative ideas into thousands of rounds of ammunition. Fireworks fly into the night sky 28 meters high under people's gaze, forming all kinds of beautiful images and words.

as a heavy part of the fireworks in this closing ceremony, the effect width of "one world one family" is 32-4 meters. Images such as "colored handle", "colored ring", "double ring" and "ringing coconut tree" and "flying dragon with golden crown" also "run" over the "Bird's Nest" into dazzling auras.