Scores of mud brick towers, some whitewashed with lime for waterproofing, are densely packed into narrow streets and alleyways, beneath a pale blue sky, in Shibam, Yemen, dubbed the Manhattan of the D
Scores of mud brick towers, some whitewashed with lime for waterproofing, are densely packed into narrow streets and alleyways, beneath a pale blue sky, in Shibam, Yemen, dubbed the Manhattan of the Desert, flat-topped mountains rising in the background.