National Geographic : 1942 Aug
Unknown Japan 237 Sliding Doors and Windows Turn a Jap Room into a Sleeping Porch No screens are used, but a giant mosquito net, often as large as the room itself, protects the sleepers. The author and his wife lived for a year like Japanese. They learned to sleep on a hard floor and to go without tables, chairs, or stoves (page 242). Such a life builds up resistance in the Japanese soldier. A Firebox in the Floor of the House Keeps Jap Feet Warm in Winter The kotatsu is a large, square opening, half filled with fireproof clay and wood ashes, with a little heap of glowing coals in the middle. Around it, the whole family sleeps on cold winter nights, covered with blankets and quilts. When the embers die, the children stick their feet into the box.