sentence: It also includes parts of Jordan and Syrian Desert.iii.Dust source 3 : The eastern and south-eastern Arabian Peninsula called Rub-Al Khali desertSome parts of Rub-Al-Khali desert were the source of 3 cases out of the total 40.iv.Dust source 4 : The south-eastern IraqThis source is not considered as a major dust origin , but it intensifies the dust masses originating from other sources , especially from one and two dust formation areas .