Olympic Order in exceptional circumstances. Traditionally, the IOC bestows the Olympic Order upon the chief national organiser(s) at the closing ceremony of each respective Olympic Games. The insignia of the Olympic Order is in the form of a "collar" (or chain), in Gold, Silver or Bronze according to grade; the front of the chain depicts the five rings of the Olympic Movement, flanked on either side by "kotinos" emblem (olive wreath). A lapel badge, in the form of the five rings in Gold, Silver and Bronze according to grade, is presented to recipients to wear as appropriate. Nadia Comăneci is the only
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