Why are there so many old houses in Shantou jinping district?

There are so many old houses in jinping district, Shantou City, because the residential quarters in jinping district were built in the 1980s and 1990s, and they are very old. Jinping district, Shantou City is the old city in the central city, with relatively concentrated old residential quarters. Many residential quarters in this area were built in 1980s and 1990s, that is, about 40 years ago. These old communities have poor basic conditions and weak supporting facilities. So there are so many old houses in jinping district, Shantou City, because the residential areas in jinping district were built in the 1980s and 1990s, and they are very old.