 Complete the following phrase:  There is also a deeper symbolism of the complex. The monument is placed on the five-step pyramid, which symbolizes five centuries of Ottoman occupation of Serbia. Caryatids actually represent mothers of the fallen soldiers, who are keeping the peace and sanctity of the burial place. The monument is also one of the rare such venues which is located outside of the town center. King Alexander wanted to transform the top of the Avala into the replica of the Kajmakčalan mountain which gained almost mythical importance after the 1916 