Ключевые слова: arch, architecture, asia, autumn, baikal, circum, circum baikal, cloud, coast, coastline, construction, day, eastern, engineering, fashioned, grass, lake, landscape, masonry, mountain, nature, old, old fashioned, pine, rail, railroad, railway, road, rock, russia, scenic, siberia, siberian, sleepers, stone, stonework, summer, sunny, tourism, track, train, trans, trans siberian, transcontinental, travel, tree, tunnel, water, wave,