Olympic flame designated sites of the Games, had no ancient precedent and was introduced by Carl Diem at the 1936 Summer Olympics in Berlin which were organized by the Nazis under the guidance of Joseph Goebbels. At the first Olympic torch relay, the flame was transported from Olympia to Berlin over 3,187 kilometres by 3,331 runners in twelve days and eleven nights. There were minor protests in Yugoslavia and Czechoslovakia on the way, which were suppressed by the local security forces. Leni Riefenstahl later staged the torch relay for the 1938 film "Olympia". The Olympic fire is ignited several months before the
Olympic Games ceremony the three oaths are merged into one as the Unified Oath where one athlete, judge, and coach recite one line of the oath respectively before the athlete finishes it. Finally, the Torch is brought into the stadium, passed from athlete to athlete during the torch relay, until it reaches the last carrier; often a well-known athlete from the host nation, who lights the fire in the stadium's cauldron. Under IOC rules, the lighting of the Olympic cauldron must be witnessed by those attending the opening ceremony, implying that it must be lit at the location where the ceremony is taking