图为12月28日拍摄的“世博源”一期商业项目。当日，上海世博会后续开发利用的首个大型改建项目——“世博源”一期正式开业。“世博源”项目以上海世博会最大单体建筑“世博轴”为基础进行改建，总建筑面积达33万平方米，发展定位为“体现世博元素与文化的特大型地标”。新华社发 （丁汀 摄）  The graph is taken on December 28"World expo source"Issue of commercial projects.On that day,Shanghai world expo follow-up development and utilization of the first large-scale renovation project --"World expo source"Issue a formal opening."World expo source"The largest single building project in Shanghai expo"The expo axis"On the basis of reconstruction,With a total construction area of 330000 square meters,Development orientation for"Reflect the expo elements and cultural landmark of large".The xinhua news agency, (DingTing perturbation)