Wonder City is a large scale shopping mall center, located in Nanjing, Jiangsu Province, the PRC. It has introduced high-quality tenants. Wonder City received approximately 55 thousand shoppers per day. Its total gross floor area is approximately 100 thousand sq.m. while the area available for sale reaches approximately 63 thousand sq.m. To attract shoppers’ eyeballs, the shopping mall holds 8-10 promotion activities per year and customizes its service of each floor based on its different target groups. For instance, for the floor targeted to children, a small train to take children to see around the whole floor, photo studio for kids and baby swimming pool, and other interesting service are provided. For mothers’ convenience, the service offered to mom is also on the same floor.