Torre de Hercules, Spain
The structure is almost 1900 years old and was renovated during the year 1791. It is considered as the oldest existing Roman lighthouse in the world in use today. It has served as a lighthouse, as well as a significant landmark of the entrance of La Coruña harbour. Located in north-western of Spain since the late 1st century AD, when the Romans built the Farum Brigantium.
The relation between Communication and Architecture in this example is that, nowadays, it is still used for maritime signaling, hence it is testimony to the elaborate system of navigation in antiquity and it provides an understanding of the Atlantic sea route in Western Europe.