Thermae thieves and pickpockets were known to frequent the baths. The changing room was known as the "apodyterium" (from Greek "apodyterion" from "apoduein" "to take off"). In many ways, baths were the ancient Roman equivalent of community centres. Because the bathing process took so long, conversation was necessary. Many Romans would use the baths as a place to invite their friends to dinner parties, and many politicians would go to the baths to convince fellow Romans to join their causes. The thermae had many attributes in addition to the baths. There were libraries, rooms for poetry readings, and places to buy
Thermae Romae story follows a Roman architect named Lucius, who is having trouble coming up with ideas. One day, he discovers a hidden tunnel underneath a spa that leads him to a modern Japanese bath house. Inspired by the innovations found there, he creates his own spa, Roma Thermae, bringing in the modern ideas to his time. Each subsequent chapter follows Lucius facing some sort of a problem, just to be swept to Japan once again. He visits modern bath houses, personal baths, waterparks, fertility festivals, and even zoos. There, he always happens to find the inspiration to solve the exact problem