The Olympic flame is a symbol used in the Olympic movement. It is also a symbol of continuity between ancient and modern games. Several months before the Olympic Games, the Olympic flame is lit at Olympia, Greece. This ceremony starts the Olympic torch relay, which formally ends with the lighting of the Olympic cauldron during the opening ceremony of the Olympic Games. The flame then continues to burn in the cauldron for the duration of the Games, until it is extinguished during the Olympic closing ceremony. Origins The first time that a symbolic flame made its appearance in the Summer Olympic Games was for the 1928 Summer Olympics in Amsterdam. The main purpose of this fire, placed in a large bowl on top of a slender tower, named "the Marathon Tower", was to indicate for miles around where in Amsterdam the Olympic Games were being held. This tower was associated with the Marathon Race and all its elements, including the fire, were an idea of the architect Jan Wils who also had designed the stadium The idea for the Olympic flame was derived from ancient Greek ceremonies where a sacred fire was kept burning throughout the celebration of the ancient Olympics on the altar of the sanctuary of Hestia. In Ancient Greek mythology, fire had divine connotations and it was thought to have been stolen from the gods by Prometheus. Sacred fires were present at many ancient Greek sanctuaries, including those at Olympia. Every four years, when Zeus was honoured at the Olympic Games, additional fires were lit at his temple and that of his wife, Hera. The modern Olympic flame is ignited every two years in front of the ruins of the temple of Hera. When the idea of a symbolic fire was introduced during the 1928 Summer Olympics, an employee of the Electric Utility of Amsterdam lit the first symbolic flame in the Marathon Tower of the Olympic Stadium in Amsterdam. The Olympic flame and the Olympic torch relay was first introduced to the Summer Olympics at the 1936 Summer Olympics in Berlin. Main ceremonies Olympic flame lighting The Olympic fire is ignited several months before the opening ceremony of the Olympic Games at the site of the ancient Olympics in Olympia, Greece. Eleven women representing the Vestal Virgins, perform a celebration at the Temple of Hera in which the first torch of the Olympic Torch Relay is