In the loess arid country of Northwest China farmers live in caves adjacent to wheat fields which have been reclaimed from barren border lands. Sinkiang province [now Xinjiang Uygur Zizhiqu (autonomous region)].
Harrison Forman Diary, China, May-June 1944, Part 1 available at http://collections.lib.uwm.edu/u?/forman,51; Forman, H. (1946). Report from Red China. London: Robert Hale Limited