Photo of the Day 14 September 2008

Clouds, Yemen, 1979
Photograph by Steve Raymer
Clouds gather in a dramatic sky over north Yemen, once a crossroads for the frankincense trade. To the Romans this elbow of land along the Red Sea and the Gulf of Aden was Arabia Felix—Happy Arabia—perhaps because the abundance of silks, spices, and pearls that came north by camel caravan made it seem a bountiful place.