The commercial streets are the most viable and dynamic public venue in the city.However,with the rapid socio-economic development and urbanization acceleration,many old commercial streets are facing the situation from prosperity to decline and are being renovated with a large scale.After the renovation,a series of deep-seated problems and contradictions occur,such as the recession,faded business,loss of vitality and so on.Accordingly the phenomena are analyzed from the perspective of urban vitality,and it is believed that the diversity and everyday life in the world are the sources of old comm...
