Secret difficult technical director of the opening ceremony of LED tribute
fecha:2010-11-24 17:11
ched into the air, it is a ball. sphere diameter of 18 meters, the space is divided into five layers from top to bottom.
Houjun Xiang said that the steel ball is actually not difficult to do, the challenge is in how to load things on the ground quickly away.
Underground is only 3 meters of space, above the 50 tons of load. To less than 8 minutes in all removed, the most difficult place. In the 17 meters of the pit, the machine can not be used manually About 100 staff to cover the top of the p
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