Figure 1. Mount Mogan Distribution Map.

Figure 2. Growth of Yangjiale B&Bs over the years; the number of foreign residents in Shanghai over the years; the number of foreign population flows in Shanghai over the years.

Figure 3. Geographical distribution map of 555 Yangjiale BnBs in four styles.

Figure 4. Four architectural styles of BnB.

Figure 5. The 555 BnBs categorized into four styles in different stages of evolution.

Figure 6. The growth chart of 555 Yangjiale BnBs of four styles over the years and the comparison chart of Yangjiale’s development stages.