ABSTRACT
Heather Xiaoquan Zhang, Lecturer, Department of Geography, Chester College, Parkgate Road, Chester CH1 4BJ, UK. Email: h.zhang@chester.ac.uk. I wish to thank Cecile Jackson, John Thoburn, Peter Ho and Jacob Eyferth for their helpful comments and suggestions on this article. However, I am solely responsible for the views expressed as well as any errors and omissions therein.
