Borj (an-)Neffara - Credit: Wikimedia Commons
The Borj Neffara ( , "Tower of the Trumpeters") is a historic observation tower and landmark near the Qarawiyyin Mosque in Fes el-Bali, the old city of Fes, Morocco. It is also referred to as the Dar al-Muwaqqit (not to be confused with another Dar al-Muwaqqit inside the nearby Qarawiyyin Mosque and in other mosques). Read more on Wikipedia
Source: en.wikipedia.org