National Geographic : 1944 Mar
Josephine A.Brown Vertically Sheared by Natural Cleavage, a Loess Cliff Houses War Refugees in Its Caves, aSchool onItsRoof Earthquakes and landslides-"when the mountains walked"-have killed hundreds of thousands, yet millions continuetolive insuch caves. Chimneys sometimes are bored to fields above. The caves are warm in winter, cool in summer. These homesteaders nearPaoki hang quilts inthesun.