The Monument to the Unknown Hero built in 1934-1938 is located in which country and is similar to many other tombs of the unknown soldier?
Monument to the Unknown Hero: The Monument to the Unknown Hero (Serbian: Споменик Незнаном јунаку / Spomenik Neznanom junaku) is a World War I memorial located atop Mount Avala, south-east of Belgrade, Serbia, and designed by the sculptor Ivan Meštrović. Tomb of the Unknown Soldier: The Tomb of the Unknown Soldier refers to a monument (cenotaph) in dedication to the services of an unknown soldier and to the common memories of all soldiers killed in any war.
i don't know