Ключевые слова: barrage, barrier, black, bridge, canal, channel, construction, control, countryside, cross, cruising, dam, door, dutch, flood, floodgate, flow, gate, historic, holland, infrastructure, irrigation, lake, level, lock, locks, narrow, netherlands, old, outdoors, overijssel, rack, reservoir, shipping, sluice, spillways, stop, transport, transportation, vertical, water, water management, waterway, weir, wooden, zwartsluis,