Silver birches were edged out by conifers, and substantial brick houses, with double-pitched roofs, replaced the concrete and wooden dwellings of mid and western-Siberia.

• 路轨边已经是松树而不再是白桦，坚固的斜屋顶砖房替代了西伯利亚西部和中部用水泥木材建成的居所。