- 问题详情:InYemen,youalwaysseeonetypeofvehicleontheroad:thewatertruck.TheytravelmountainroadsandcrossdesertstobringYemanisagoodmorevaluablethanoil.Itisonethatonlytherichcanafford,withthesupplyregularlybeingcutoff.Othersmustrelyonscarcerainorcharitytofight...
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