As preparations for 2012 London Olympic step up in the UK capital, the traditional ceremony of lighting the Olympic flame came to a flawless end in Greece today, officially ticking the countdown to the Games. The traditional ceremony took place in front of the ruins of the Temple of Hera in Greece, the birthplace of the Ancient Games. London 2012 chairman Lord Coe and IOC president Jacques Rogg watched performers completing the elaborate torch-lighting routine wearing ancient costume. Greek actress Ino…