I travel to Datong, passing through the huge industrial areas of Northern CHina. This is where much of the country's coal comes from and hence where many of the massive power-stations are. They're a blight on the landscape but, in such a growing, power-hungry country, they've got to put them somewhere. Just West of Datong are the Yungang caves, a huge site of over 51,000 Buddhist carvings in a sand-stone cliff-face. Work began here in 453AD, when Datong was the province's capital, and much of the big stuff has survived well. From here I head 40 miles South-East of Datong to see Xuankong Si - the Hanging Temple. You may have seen pictures of this amazing place, clinging precariously to the side of a canyon wall. The wooden buildings, supported by frighteningly thin wooden poles are
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