48 Hours in Shanghai

China’s biggest city provides a rewarding window  into the world’s most populous country

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Tourism putting 4th century Silk Road cave paintings under threat

Abandoned for centuries, the Mogao Grottoes have somehow survived everything that nature and man could throw at them from earthquakes and floods to marauding Muslim rebels and plundering European explorers. But now the exquisite Buddhist frescoes are in peril once more...