 The second group (2 on the plan at right) consists of twenty-two tubs arranged in a circle on a conglomerate pavement, but they were all damaged by the destruction of the site and may never have been completed.The second room (east) consisted of a complex heating system with a small room (4 on the plan at right) with two corridors branching off from it, where fires were lit, and of an upper room whose floor must have rested on the walls of the heating complex, in order to create a hypocaust room, perhaps for a sauna.The complex, the only example of its type in Sicily, has parallels only in Delphi, Colophon, Olympia, and .