Cai Guoqiang

From Yongdingmen to the Tian'anmen Square to the Bird's Nest, we have 29 artistic fireworks which will be displayed. That is from Tiananmen to Yongdingmen to the Bird's Nest to the Forest Parks. In those key areas, we will have fireworks which will last for 10 minutes, leading up to the climax of the Opening Ceremony. We have 73 release sites located surrounding the Bird's Nest. From the director's point of view, we want to make the National Stadium extended to the city center so that people in downtown can also experience part of the Opening Ceremony.

Reporter from Brazil

Can you explain a little bit more about the technological involvement in the ignition system? If I understood correctly, it's the first time that this kind of technology will be used for the ignition of fireworks. What does it need in terms of the accuracy and perfection of the part you are going to see? Can you give us the idea of the amount of the fireworks that will be used? Can you give us an idea of how big it is going to be as compared with the past events?

Cai Guoqiang

The total amount will be 35,000 shells. Obviously it's a big number; however it is not too much. We are trying to use them in all the key points and key locations. For the 10-second display and the dragon-shaped fireworks, the fact is we are not using too much fireworks. But we are trying to achieve the best effects. From the technological point of view, we are using some of the traditional display shells as seen in other events.

In addition, we are also preparing a vast variety of displays to be special and to be different. Also, we are working on the brightness of all the fireworks so that it can be seen really well on the pictures and on the broadcaster's point of view. We have the air compression lauch system and also the gun pressure release system. With this system, we can better adjust the pressure before lauching so that we can control the height of the fireworks, so this is what we have done technically.

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