Cityscape of Seville, with the Torre del Oro (Tower of Gold), a dodecagonal military watchtower built by the Almohad Caliphate by the Guadalquivir River, Seville, Andalusia, Spain, Europe

View of the Guadalquivir River in Seville, Spain with the Torre del Oro (Tower of Gold), a dodecagonal military watchtower erected by the Almohad Caliphate in order to control access to Seville via the river on the right.

Sunset view of the Guadalquivir River in Seville, Spain with the Torre del Oro (Tower of Gold), a dodecagonal military watchtower erected by the Almohad Caliphate in order to control access to Seville via the river on the left.