Weather Blog A Morphing Monument of Sand France’s La Grande Dune du Pilat, the tallest sand dune in Europe, was 4,000 years in the making. Read More… About Author OTW Observer See author's posts Post navigation Previous Gleaming Waters in the Sahel Next Met Police warn over swimming dangers as temperatures expected to hit 22C Related Stories Eruption at Mayon Weather Blog Eruption at Mayon March 13, 2026 Dust Outbreak Reaches Europe Weather Blog Dust Outbreak Reaches Europe March 12, 2026 A Most Unusual Lake Weather Blog A Most Unusual Lake March 11, 2026