Ancient Roman architecture of being in their houses, as they instead would go to public baths, and engage in other communal activities. Many lighthouses were built around the Mediterranean and the coasts of the empire, including the Tower of Hercules at A Coruña in northern Spain, a structure which survives to this day. A smaller lighthouse at Dover, England also exists as a ruin about half the height of the original. The light would have been provided by a fire at the top of the structure. All Roman cities had at least one thermae, a popular facility for public bathing, exercising and socializing.
Thermae singular number, were the public baths. But this accuracy of diction is neglected by many of the subsequent writers, and particularly by the poets, amongst whom "balnea" is not uncommonly used in the plural number to signify the public baths, since the word "balneae" could not be introduced in a hexameter verse. Pliny also, in the same sentence, makes use of the neuter plural "balnea" for public, and of "balneum" for a private bath. "Thermae" (Greek: , "Thermai", "hot springs, hot baths", from the Greek adjective "thermos", "hot") meant properly warm springs, or baths of warm water; but came to