The Jiangmen Observatory is the ninth observatory in China. Situated at the Pearl River Estuary and south of the South China Sea, Jiangmen has a permanent resident population of 4.51 million inhabitants.The monitoring efforts of the observatory focus especially on measuring the overall development of tourism, including local economic benefits, local satisfaction, employment, seasonality, water, sewage and waste water management, as well as the protection of the existing World Culture Heritage Sites in the destination.