Ключевые слова: aquaduct, aqueduct, arches, architecture, bridge, british, canal, cast, chirk, crossing, dee, great britain, high, historic, iron, landmark, landscape, llangollen, monument, narrow, nobody, north wales, outdoors, pillars, pontcysyllte, river dee, tourism, tourist, transport, travel, uk, united kingdom, valley, viaduct, view, wales, water, waterway, welsh, world heritage site, wrexham,