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 If a rich Roman wished to gain the favour of the people, he might arrange for a free admission day in his name. For example, a senator hoping to become a Tribune might pay all admission fees at a particular bath on his birthday to become well known to the people of the area. Baths sprang up all over the empire. Where natural hot springs existed (as in Bath, England; Băile Herculane, Romania or Aquae Calidae near Burgas and Serdica, Bulgaria) "thermae" were built around them. Alternatively, a system of "hypocausta" (from "hypo" "below" and "kaio" "to burn") were utilised