Horn of Africa covered the Simien and Bale Mountains but melted at the beginning of the Holocene. The mountains descend in a huge escarpment to the Red Sea and more steadily to the Indian Ocean. Socotra is a small island in the Indian Ocean off the coast of Somalia. Its size is 3,600 km (1,390 sq mi) and it is a territory of Yemen. The lowlands of the Horn are generally arid in spite of their proximity to the equator. This is because the winds of the tropical monsoons that give seasonal rains to the Sahel and the Sudan blow from the west.
Horn of Africa called "qenet", of which there are four main modes: "tezeta", "bati", "ambassel", and "anchihoy". Three additional modes are variations on the above: tezeta minor, bati major, and bati minor. Some songs take the name of their qenet, such as tezeta, a song of reminiscence. In the field of technology, the Great Stele of Axum, at over long, was the largest single stone ever quarried in the ancient world. Most inhabitants in the Horn of Africa follow one of the three major Abrahamic faiths. These religions have had a longstanding adherence in the region. The ancient Axumite Kingdom produced coins and