Knowing my love of colour and pattern, a friend prompted me to look at Zhangye Danxia landforms.
"The Danxia landform refers to various landscapes found in southeast, southwest and northwest China that "consist of a red bed characterized by steep cliffs". Danxia landform is formed from red-coloured sandstones and conglomerates of largely Cretaceous age. Similar in appearance to karst topography, danxia landforms are made up uplifted continental crust that has been faulted and eroded, exposing large scarps of layered rock, red in color.
Danxia landforms cover several provinces in southeast China.
Taining County, Fujian Province, has very good examples of "young" danxia landforms wherein deep, narrow valleys have been formed. As the landform gets older, valleys widen and one gets isolated towers and ridges."
http://en.wikipedia.org/wiki/Danxia_landform
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