Roofs of sod have sheltered mainland Scandinavians through countless winters and summers. But those who migrated from Norway"s grass-roof log cabins to this Icelandic tundra in the 9th century found none of the rich timberland of their homeland—just wispy birch forests and grassy fields. To survive the cold, they took the old turf roof concept and built on it, encasing not only the roofs but the walls of their birch-framed homes in layers of living, insulating soil.
Tough turf
Today in History
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World Water Day
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Desert rose of Qatar
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Quiver trees in Namibia
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An orca near the Chilkat Mountains, Lynn Canal, Alaska
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A stunning national park in winter white
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National Trails Day
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Tombeau du Géant in Bouillon, Belgium
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Surf s up—Down Under
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Daylight saving time begins
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Trullo buildings in Alberobello, Apulia, Italy
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Anniversary of Natural Bridges National Monument, Utah
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Feature Attraction: 85 years at the drive-in
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Belize Barrier Reef
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Château de Sully-sur-Loire, Center-Val de Loire, France
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Jazzed for Mardi Gras
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International Whale Shark Day
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New Years Eve
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Nyhavn Canal, Copenhagen, Denmark
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Honoring our fallen heroes
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Flag Day
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Anza-Borrego Desert State Park, California
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Rapa Valley in Sarek National Park, Sweden
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Castle Square, Old Town, Warsaw, Poland
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50 years of the Endangered Species Act
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D-Day remembered
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Northern gannets, Shetland Islands, Scotland
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Trunks stick together
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A river runs through it
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Happy Father s Day
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La Rocque Harbour, Island of Jersey
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