MILAN—Archeologists in Pompeii excavating a villa amid the ruins of the 79 A.D. volcanic eruption that destroyed the ancient city have discovered a room offers “a very rare insight into the daily life of slaves,” officials said Saturday. Italy’s culture minister, Dario Franceschini, said the find was “an important discovery that enriches the knowledge of the daily life of ancient Pompeiians, in particular the level of society still little known.” The room served as both a dormitory and a storage area, officials from the Archeological Park of Pompeii said. It was discovered in a villa in the Pompeii suburb of Civita Giuliana, just a few steps from where archeologists in January discovered the remains of a well-preserved ceremonial chariot. The room, with just one high window and no wall decorations, contains the remains of three beds made out of wood. The beds were adjustable, with two measuring 1.7 meters (nearly …