Silbury Hill
/ˌsɪlbri ˈhɪl/
/ˌsɪlbəri ˈhɪl/
- a prehistoric mound (= raised mass of earth) near Avebury in south-west England, built before 2000 BC. It is the largest of these mounds in Europe, and, unlike most of the others, has nobody buried in it. Nobody knows what it was built for.
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Silbury Hill