A tribesman leads camels through the sand dunes of the Liwa desert, 220 kms west of Abu Dhabi, on November 23, 2013.
{"Image ImageDescription": "A tribesman leads camels through the sand dunes of the Liwa desert, 220 kms west of Abu Dhabi, on November 23, 2013.   AFP PHOTO/KARIM SAHIB        (Photo credit should read KARIM SAHIB/AFP via Getty Images)"}