Historic Silk Road oasis Dunhuang being swallowed by desert sands in northwest China | South China Morning Post

For more than 2,000 years, Dunhuang in China's northwestern Gansu province was known as a pearl of the ancient Silk Road – famous for its oasis with a crescent-shaped lake and “singing sand” dunes. But today, Dunhuang is under threat from the expanding Kumtag Desert. Experts say without urgent efforts to protect Dun…

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