Cai Guoqiang： The amount of fireworks set off is only 10% of that in 2008.

　　CCTV News:The "big footprints" of fireworks in the sky at the opening ceremony of the Beijing 2008 Olympic Games are still impressive. As the general design of visual arts for the opening ceremony of the Winter Olympics, Cai Guoqiang once again partnered with Zhang Yimou to add luster to the opening ceremony with unique fireworks.

　　In an exclusive interview with a reporter from the General Station, he said that under the creative principle of "simplicity, safety and brilliance", the total amount of fireworks set off this time was less than 10% of that of the 2008 Olympic Games.

　　Outside the Bird’s Nest of the National Stadium, a few hundred meters of fireworks are ready. Cai Guoqiang and his team are busy here every day, making precise preparations for the fireworks display at the opening ceremony.