Hoian (Vietnam), Songkla (Thailand), Malacca (Malaysia), Banten, Semarang, Tuban (Indonesia), Manila (the Philippines), etc. A large number of this kind of settlements was developed along the coastal areal of the South China Sea, and was called "Campon China" by Portuguese account and "China Town" by English account. Settlement pattern The settlement was developed along a jetty and protected by Mazu temple, which was dedicated for the Goddess of Sea for safe sailing. Market place was open in front of Mazu temple, and shophouses were built along the street leading from west side of the Mazu temple. At the end of the street, Tudigong (Land God) temple was placed. As the settlement prospered as commercial town, Kuan Ti temple would be added for commercial success, especially by people from Hong Kong and Guangdong province. This core pattern was maintained even the settlement got expanded as a city, and forms historical urban center of the Southeast Asia. Characteristics The features described below are characteristic of many modern Chinatowns. Demographics The early Chinatowns such as those in San Francisco and Los Angeles in the United States were naturally destinations for people of Chinese descent as migration were the result of opportunities such as the California Gold Rush and the Transcontinental Railroad drawing the population in, creating natural Chinese enclaves that were almost always 100% exclusively Han Chinese, which included both people born in China and in the enclave, in this case American-born Chinese. In some free countries such as the United States and Canada, housing laws that prevent discrimination also allows neighborhoods that may have been characterized as "All Chinese" to also allow non-Chinese to reside in these communities. For example, the Chinatown in Philadelphia has a sizeable non-Chinese population residing within the community. A recent study also suggests that the demographic change is also driven by gentrification of what were previously Chinatown neighborhoods. The influx of luxury housing is speeding up the gentrification of such neighborhoods. The trend for emergence of these types of natural enclaves is on the decline (with the exceptions being the continued growth and emergence of newer Chinatowns in Queens and Brooklyn in New York City), only to be replaced by newer "Disneyland-like" attractions, such as a new Chinatown that will be built in the Catskills region of New York. This includes the endangerment of existing historical Chinatowns that will eventually stop serving the needs of Chinese immigrants.