Torre telegráfica de la Monclova Monument · Fuentes de Andalucía, Comarca de Écija, Seville Image of Fuentes de Andalucía, not of the place itself. 19th-century tower belonging to the optical telegraph line, located next to the Castillo de la Monclova, evidence of the visual communication system that linked Madrid with Cádiz before the electric telegraph. Photo: CarlosVdeHabsburgo (CC BY-SA 4.0) What to see and do in Fuentes de Andalucía