Syntagma square. Athens. Greece. Night view of the lit up neoclassical façade of the Greek Parliament building opposite Syntagma Square in Athens. The building also known as Vouli was erected in 1836-42 and was originally the Royal Palace. Below the building is the monument to the Unknown Soldier, erected in 1929-1932, it depicts a relief of a dying Greek solider modelled on a figure from the pediment of the Temple of Aphaia at Aegina. The monument is guarded around the clock by two elite members of the Presidential ceremonial guard unit known as Evzones.