National Geographic : 1948 May
Lichen- and Moss-covered, Steeply Pitched Roofs and Dormers ofArlington Row Have Sheltered theNeedy since the15th Century Cotswold cottages, such as these almshouses atBibury, fit thelandscape sowell they seem tohave grown there (page 633). And they areaproduct ofthe land onwhich they stand, since stone forwalls androofs was quarried locally. Chipped-stone roofs weigh many tons, forthelargest slats near theeaves may betwo inches thick, andthey overlap fortwo-thirds oftheir length. Roof rafters, formerly hand hewn, must beexceedingly strong. Nature manufactures these roof tiles. Blocks oflimestone lefttowinter intheopen are split bythefrost. These flakes, trimmed andholed, arethen ready forhanging (page 618). House builders welcome cold winters, forthen roof slats are plentiful; warm winters bring ascarcity.