sentences:  The cemetery includes several impressive tombs such as those of Heinrich Schliemann, designed by Ernst Ziller; Ioannis Pesmazoglou; Georgios Averoff; and one tomb with a famous sculpture of a dead young girl called "I Koimomeni" ("The Sleeping Girl") and sculpted by Yannoulis Chalepas from the island of Tinos.There are also burial areas for Protestants and Jews, however, this segregation is not compulsory.The cemetery is under the Municipality of Athens and is declared an historical monument.