Geography of Chile regions: the far north, the near north, central Chile, the south, and the far south. Each has its own characteristic vegetation, fauna, climate, and, despite the omnipresence of both the Andes and the Pacific, its own distinct topography. The far north (Norte Grande), which extends from the Peruvian border to about 27° south latitude, a line roughly paralleled to the Copiapó River, is extremely arid. It mainly contains the Atacama Desert, one of the driest areas in the world. In certain areas, this desert does not register any rainfall at all. Geographically, the aridity can be explained by the following
Tourism in the Arab world Deserts reign in most of northern Africa where the Sahara exists, the world's hottest desert where some of the sand dunes can reach 180 metres (590 ft) in height. The Arabian Peninsula is mainly covered by a range of deserts: the Nefud in the north, which is a stony desert; the Rub' Al-Khali or "Great Arabian Desert" in the south, and between them, the Dahna desert. In contrast, the Arab World boasts some of the highest mountain ranges in both Africa and Asia. The Atlas Mountains rise from the northern Sahara to peak of 4,167 m before cascading east towards