Ключевые слова: age, ancient, anglosaxon, archaeology, architecture, assen, background, boulder, burial, chamber, clay, construction, cover, culture, d15, dolmen, dutch, element, entrance, europe, excavation, future, glacier, granite, grave, heritage, history, hun, hunebed, hunnic, ice, landmark, landscape, loon, megalith, megalithic, monolith, neolithic, netherlands, old, preserved, protected, research, sand, sepulchral, sheet, stone, tomb, travel, work,