WITH an area of 1,20,000 square miles the land of Arabia is the largest peninsula in the world. It has the Red Sea to the West, the Arabian Sea and the Gulf of Adan to the south-east and the rivers Euphrates and Tigris and the Persian Gulf to the north-east. It thus occupies a unique position. It is situated in Asia, yet only the narrow Red Sea divides it from Africa and by just passing through the Suez Canal, one reaches the Mediterranean Sea and Europe. It is thus at the centre of three continents, yet it is apart from all of them.
Arabia being a very hot and dry country, one third of it is desert. It is strange that a land surrounded by water on three sides, and with only a narrow strip of land to the north, has practically no river of its own, except for small streams here and there, which soon dry up in the hot desert.
Rain too is scarce. The rains come in torrents in spring, but the water does not stay. It is lost in the sand as quickly as it comes. There being no dependable rainy reason, which is necessary for agriculture, this vast land, about a thousand kilometres wide and about the same in length, is neither fertile nor cultivable.
Yemen, the original home of the Semites, is the only exception, in that it is fertile and enjoys a rainy season. Besides this, the rest of the peninsula consists of barren valleys and deserts. Due to the lack of vegetation, life here can be only that of the desert. The camel, the only means of transportation is indispensable, for a desert life demands continuous movement. The desert dwellers must continually go in search of pastures, which are scarce and thin, and soon cropped bare. The pastures turn green around spring, watered by springs which form in the wake of occasional rainfalls. In such an infertile country where no agriculture has ever been possible, the only produce is dates. In the context of this civilization, Yemen has always been very developed in terms of agriculture. Showing great intelligence the Yemenis invented ways of saving rain water from running down to the sea so that artificial irrigation could be carried out. Moreover, they built the famous dam of Maarib by changing the natural course of the water. This water is gathered in a 400 meter wide valley between two mountains by constructing a dam with gates at the narrowest point in the valley.
Then this water is divided into many streams and spread over a wide area of plains. It is almost like the Nile in the dam area in Upper Egypt. In this way they have contrived to have a controlled distribution of their water. The fertility of their land has gone on increasing and the people of Yemen have become very prosperous.
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