Introduction to residential buildings: Russian-style residential buildings include brick-wood structure, brick-concrete structure, and wooden structure. The characteristics of this building complex are that most of the houses have flower halls outside, with carved woodwork, thick walls, and tall and narrow windows. Inside, there are wooden floors and ceilings, fire walls and fireplaces. The interior spaces of the houses are large, warm in winter and cool in summer. Sturdy and durable, it reflects the rich Russian national customs.