Figures 35-36. Tang, Y., Kunzmann, K.R., 2008. The evolution of spatial planning for Beijing. Informationen zur Raumentwicklung 8, 457–470. Figure 37. Yang, Z., Cai, J., Ottens, H., Sliuzas, R., 2013. Beijing. Cities 31, 491–506. doi:10.1016/j.cities.2011.07.007 Figures 38-39. China Wiki – The free encyclopedia on China, china.org.cn [online], n.d. Available at< http://wiki.china.org.cn/wiki/index.php/CIIC:Today%27s_featured_article/December_2010> [accessed 4 March 2015]. Figures 40-58. Bai Xu
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