Introduction to the ancient Roman bathroom: The thousand-year-old ancient Roman bathroom, which is like an open-air museum, is located next to the city hall. From the remaining foundations, you can still see how spectacular the bathroom was back then. The exposure here creates a huge contrast. According to Lebanese history books, Beirut has a history of nearly 5,000 years. As early as when the Phoenicians invented cuneiform writing, its name had already appeared on stone tablets engraved with this ancient writing.