Take a hot spring bath in the modern Caracalla Baths. Although we were not allowed to take photos, we secretly took a few pictures. There are several large indoor and outdoor swimming pools with different temperatures. You can soak in different pools according to your needs. There are also saunas and other facilities. The spring water is salt spring, which can treat heart disease, arthritis, rheumatism, etc. In the past, Roman emperors also came here to treat arthritis. After soaking for just one hour, the fatigue of several days disappeared. You can also drink the spring water, which has no taste and is almost the same as ordinary water.