Olympic symbols IOC at the 2012 Winter Youth Olympics by the city of Innsbruck, Austria, and has since then been passed on to the next organizing city of the Winter Youth Olympics. The modern tradition of moving the Olympic flame via a relay system from Greece to the Olympic venue began with the Berlin Games in 1936. Months before the Games are held, the Olympic flame is lit on a torch, with the rays of the Sun concentrated by a parabolic reflector, at the site of the Ancient Olympics in Olympia, Greece. The torch is then taken out of Greece, most often
Olympic flame the London 2012 Games. In transit, the flame sometimes travels by air. A version of the miner's safety lamp is used, kept alight in the air. These lamps are also used during the relay, as a back-up in case the primary torch goes out. This has happened before several Games, but the torch is simply re-lit and carries on. The cauldron and the pedestal are always the subject of unique and often dramatic design. These also tie in with "how" the cauldron is lit during the Opening Ceremony. The Olympic flame has been used as a symbol and main motif