念四小区是扬州全部采用小型砌块作为墙体材料的示范建筑小区，累计建设砌块住宅70幢，达18万多平方米。经过多年的探索、尝试和对设计施工的不断改进，砌块住宅建设日趋合理，裂缝渗漏问题基本得到控制。 Niansi Community is a demonstration building block where all small blocks are used as a wall material in Yangzhou. It has built a total of 70 blocks of residential buildings and reached over 180,000 square meters. After many years of exploration, experimentation, and continuous improvement of design and construction, the construction of block houses has become more and more reasonable, and crack leakage has been basically controlled.