Ключевые слова: architecture, autumn, barge, belgium, boat, brussels, built, canal, channel, charleroi, construction, countryside, ecological, engineering, europe, field, green, horizon, hydro, impressive, inclined plane, industrial, industry, landmark, landscape, large, lift, lock, monument, nature, navigation, power, river, ronquieres, rural, ship, shipping, structure, tourism, tower, traffic, transit, transport, transportation, travel, urban, vessel, water, waterway, waterways,