So he lets them ride with his caravan. And one night, when the sun was going to go down, they come to the great dunes of sand, and they think, “Ah, now we are in the Sahara; we are going to make tea.”
-The Sheltering Sky
The Darb did not cross many dunes, only pans and sheets, but there was plenty of wind blown sand, enough to eddy around the obstructions of couched men and camels and to swirl into poured water, so tea making was a bit inconvenient unless you preferred more silica than sweet in your drink.