The projected dome of Japan exhibition hall at the 2010 Shanghai World Expo is like cocoon. [Photo: xinhuanet]
![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]")