Råbjerg Mile is a migrating coastal dune between Skagen and Frederikshavn, Denmark. It is the largest moving dune in Northern Europe with an area of around 1 km2 (0.4 mi2) and a height of 40 m (130 ft) above sea level. The dune contains a total of 4 million m3 of sand. The wind moves it in a north-easterly direction up to 18 metres (59 ft) a year.clouds
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Sig Nordal 