Ключевые слова: 10, app, art, black, design, flat, glyph, graphic, icon, illustration, image, inside, isolated, line, locomotive, logistic, metro, modern, objects, outline, passenger, pictogram, public, rail, railroad, railway, route, sign, simple, speed, station, subway, symbol, thin, track, train, tram, transit, transport, transportation, travel, trendy, underground, vibrant, web, white,