Public bathing 19 BC had a rotunda 25 metres across, circled by small rooms, set in a park with artificial river and pool. By AD 300 the Baths of Diocletian would cover , its soaring granite and porphyry sheltering 3,000 bathers a day. Roman baths became "something like a cross between an aquacentre and a theme park", with pools, game rooms, gardens, even libraries and theatres. One of the most famous public bath sites is Aquae Sulis in Bath, England. Dr. Garrett G Fagan, a professor at Pennsylvania State University, described public bathing as a "social event" for the Romans in his
Roman Dacia towns". Therefore, categorizing sites as small towns has largely focused on identifying sites that had some evidence of industry and trade, and not simply a basic agricultural economic unit that would almost exclusively produce goods for its own existence. Additional settlements along the principal route within Roman Dacia are mentioned in the "Tabula Peutingeriana". These include Brucla, Blandiana, Germisara, Petris, and Aquae. Both Germisara and Aquae were sites where natural thermal springs were accessible, and each are still functioning today. The locations of Brucla, Blandiana, and Petris are not known for certain. In the case of Petris however, there is