National Geographic : 1951 Nov
SNational (Georaphic Society 622 Ansco color byGiiran Algird A Blanket of Turf Keeps This Tiny Barn Warm in Winter, Cool in Summer. Part of the Building Rests below Ground Level In earlier years the Icelandic farmhouse and barn were built of lava, roofed with turf. Most rural buildings today are concrete. Anear-by waterfall powers thefarmer's own electric plant. For better insulation, the walls of this old-style barn were sunkfour feetdeep.