The projected dome of Japan exhibition hall at the 2010 Shanghai World Expo is like cocoon. [Photo: xinhuanet]
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![The projected dome of Japan exhibition hall at the 2010 Shanghai World Expo is like cocoon. [Photo: xinhuanet]](http://images.china.cn/attachement/jpg/site1007/20090706/000d87ad3cdd0bbc039322.jpg "The projected dome of Japan exhibition hall at the 2010 Shanghai World Expo is like cocoon. [Photo: xinhuanet]")