Captain Lao Yang's house is not far away from Captain Yang's house, just two or three in front. Compared with his son's house, Captain Lao Yang's house is much dilapidated, but it is also spacious and clean.
The ground is a compacted and flat Sanhe terrace. Although this house is old, the ground is flat and should be repaired frequently. It can be seen that there are hardworking people in this family.
Tri composite soil is made of clay, lime and river sand, and mixed with water in a certain proportion. It can be used to build roads, serve as the foundation of houses, or pave the floor inside houses. Before the popularization of cement, it was widely used.
It is said that the Old Summer Palace