Ключевые слова: build, center, city, concrete, construction, construction workers working, equipment, fix, grey, heavy, industrial, infrastructure, installation, machinery, men at work, men working together, metal, modern, outdoor, people, platform, rail, rail construction, railroad, railway, railway construction, reconstruction, renovation, repair, repair work, road, roadbed, russia, service, site, station, steelwork, street, structure, technology, track, train, tram, transport, vehicle, way, work,