Shanghai student Wang Shan was one of 58,000 volunteers who worked at the expo over the last six months. In the last weeks before it closed she returns with her family to enjoy the event as a visitor.

More videos by D J Clark

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About D J Clark

D J Clark has worked worldwide as a multimedia journalist for more than 20 years. In 2009 he completed a PhD at the University of Durham, UK, investigating visual journalism in the developing world. As well as working for China Daily he runs an MA course in Multimedia journalism at Beijing Foreign Studies University and is the Director of Visual Journalism at the Asia Center for Journalism in Manila, Philippines.