Sana'a, formerly the capital of North Yemen since 1990 is the capital of Yemen reunified. Located at the center of a vast plateau, is walled with typical multi-storey buildings Yemenis; commercial, cultural and economic center of the country. It is divided by internal walls in three districts (Arabic, turkish and jew).
According to tradition, the foundation of the city dates back to biblical times; was founded by Sem, the eldest son of Noah and progenitor populations semite, who after abandoning his country he found first the Rub' al-Khali, the "Empty Quarter"- terrible sandy desert - and, subsequently, a land of high mountains and fertile valleys and decided to found a city: Sana'a.