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Italian Spider machine cleans up Bird's Nest

On June 12, workers use a Spider machine to clean the peripheral steel structure of the Bird’s Nest.(Xinhua)

On June 12, a high-altitude cleaning machine, called the Spider, starts to clean up the peripheral steel structure of Beijing's national Bird's Nest stadium. The spider-shaped machine, imported from Italy, can "walk" within a radius of 30 meters, reaching a maximum height of 48 meters. The entire machine is able to revolve 460 degrees, and the two working baskets on top can make an 8-degree rotation in two directions.
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By Zheng Qingting, People's Daily Online
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