Ключевые слова: angle, architecture, beam, beams, braces, bridge, canal, channel, columns, design, diagonal, engineering, frame, green, grid, iron, landscape, link, overpass, power, rail, railway, rhein herne kanal, road, ruhrarea, rust, safe, shore, slant, stable, steel, strong, structural, structure, studs, technology, three, thresholds, track, train, transport, transportation, travel, tree, truss, trusses, water, way, wood,