Not all the cave dwellings have nicely bricked exteriors and modern interiors:<p>[1] <a href="https://secure.flickr.com/photos/sookyeeyap/sets/72157602311169026/with/1512402593/" rel="nofollow">https://secure.flickr.com/photos/sookyeeyap/sets/72157602311...</a><p>[2] <a href="http://yapsookyee.blogspot.com.au/2008/03/ningxia-part-1-dirt-poor-technology.html" rel="nofollow">http://yapsookyee.blogspot.com.au/2008/03/ningxia-part-1-dir...</a><p>(Ningxia - Zhangjiashu village, by Sookyee)<p>The most interesting aspect is how quickly China is changing. Within a single generation, families have moved out of "holes in the mud" to village houses. Satellite TV and mobile phone coverage is also apparently available in Zhangjiashu village (and other similar remote villages).<p><i>Cave dwellings or yaodong still exist for some poorer families. “I used to live in a cave dwelling when I first got married,” said Ma Yan’s mother, Bai Juhua. “Very few people live in one of those anymore. Recently, a few of them collapsed because of the rain. Thank goodness nobody was hurt.” </i><p>...<p><i>They may not have drinking water, no proper toilet, no food…but they will definitely have mobile phones and satellite dishes for their TV.</i>