Tens of thousands of Egyptians celebrate in Cairo on February 11, 2011as Hosni Mubarak steps down after his 30 years in power. [Xinhua photo]
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![Tens of thousands of Egyptians celebrate in Cairo on February 11, 2011as Hosni Mubarak steps down after his 30 years in power. [Xinhua photo]](http://images.china.cn/attachement/jpg/site1007/20110212/001372a9a93f0ec022b205.jpg "Tens of thousands of Egyptians celebrate in Cairo on February 11, 2011as Hosni Mubarak steps down after his 30 years in power. [Xinhua photo]")
