967959 The loss country north of Tai-Yuen, in the province of Shan-se, China, eroded into valleys and castle-formed rocks (engraving) by English School, (19th century); Private Collection; (add.info.: The loss country north of Tai-Yuen, in the province of Shan-se, China, eroded into valleys and castle-formed rocks, after Ferdinand v Richthofen. Illustration for Our Earth and Its Story edited by Robert Brown (Cassell, c 1890).); 穢 Look and Learn.