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grebberg: The last settlement IMG_1068
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grebberg: Lowering the tyre pressure IMG_1069
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grebberg: Sand, sand, sand IMG_1079
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grebberg: Anything on the horizon ? IMG_1080
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grebberg: Our car in the desert IMG_1081
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grebberg: Sand ripples IMG_1083
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grebberg: Sand ripples IMG_1084
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grebberg: Getting taller and taller IMG_1085
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grebberg: Sand dunes at the Empty Quarter IMG_1089
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grebberg: Would not get lost here IMG_1091
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grebberg: Endless desert IMG_1094
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grebberg: Man gets small IMG_1096
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grebberg: Sand ripples IMG_1097
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grebberg: Poisonous tree at Empty Quarter IMG_1098
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grebberg: Picking geoides IMG_1109
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grebberg: Geoides at Empty Quarter IMG_1100
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grebberg: Geoides at Empty Quarter IMG_1101
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grebberg: Geoides at Empty Quarter IMG_1104
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grebberg: Geoides at Empty Quarter IMG_1108
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grebberg: Immature male Nile Valley Sunbird near Ubar IMG_8479
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grebberg: Immature male Nile Valley Sunbird near Ubar IMG_8480
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grebberg: Immature male Nile Valley Sunbird near Ubar IMG_8483
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grebberg: Black-crowned Sparrow-lark near Ubar IMG_8490
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grebberg: Black-crowned Sparrow-lark near Ubar IMG_8495
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grebberg: Black-crowned Sparrow-lark near Ubar IMG_8497
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grebberg: Brown-necked Raven near Ubar IMG_8498
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grebberg: Brown-necked Raven near Ubar IMG_8499
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grebberg: Brown-necked Raven near Ubar IMG_8501
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grebberg: At Ubar, Oman IMG_1122
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grebberg: At Ubar, Oman IMG_1110