BEIJING, China (AFP) — A wall of sand over 100 metres high swallowed a city on the fringes of the Gobi desert in northwestern China, in scenes reminiscent of a disaster film. Dunhuang, a tourist draw with a colourful history as a Silk Road outpost, momentarily disappeared in the dust clouds as the storm hit on Sunday. A resident surnamed Zhang told local media Jimu News that the sandstorm came abruptly and swept through the […]