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The Sunwen West Road pedestrian street in Zhongshan is the first cultural tourism pedestrian street in China. It still remains the complete and unique architectural style in the Republic of China era. It is a witness of urban development, bearing the memories of Zhongshan city. It is also the spiritual home of local people and overseas Zhongshan people. Let's follow the American guide, Paul, to tour around this century-old street and have a look at the changes of Zhongshan's commercial development.