Another highlight of the 70th anniversary fireworks show is the low-altitude fireworks combination around the square. "In the past, low-altitude fireworks generally used live music to wave and set off the atmosphere. It is a foil for fireworks in the middle and high altitude. This time, I tried to use low-altitude fireworks combination modeling.
Low-altitude fireworks can also be the protagonist. Liu ling, director of the fireworks display, said that "evergreen tree" and "complacent" are composed of several low-altitude fireworks devices.
Introduction of triumphant fireworks.
"Proud" tried blue fireworks. In the background of night, if the brightness of blue is not enough, it will be swallowed up by the night. "We tried to mix all kinds of metal powders together and finally matched blue, purple and green with light and shade."
Fireworks are shaped like paintings. The finer the strokes, the more exquisite the patterns. An ordinary fireworks display, 2500 ignition heads can support 20 minutes of discharge.
There are 96 sectors, and each sector has 2 1 igniter. More than 2,000 ignition ports discharge in 20 seconds, and the ignition time interval of each sector is less than 400 milliseconds, showing gorgeous fireworks instantly.