Watchtower of Torrelodones

The Watchtower of Torrelodones is an Islamic-era construction located in the Spanish municipality of Torrelodones, Community of Madrid, Spain. It was erected at some point during the Umayyad period of Al-Andalus, between the ninth and eleventh centuries. The tower, which has the status of Asset of Cultural Interest, is one of the best preserved Islamic watchtowers in the Madrid region. The current construction shows several alterations, the result of restoration work undertaken in 1928, after the partial collapse of its walls. It was declared Bien de Interés Cultural in 1983.

Source: Wikipedia