The capital of Iraq today and the capital of the Abbasid state in the past, is distinguished by numerous historical and heritage sites dating back to various eras, such as the Baghdad Walls and the Al-Mustansiriya School. It is well-known for its old folk and heritage markets, such as the Al-Safafir market for handicrafts and Al-Mutanabbi Street for book sales, as well as its popular cafes. Baghdad is divided into two halves by the Tigris River, Karkh and Al-Rusafa.