<P> After the official conclusion of the Opening Ceremony, Gretzky was whisked away to a waiting car which took him to the secondary cauldron . Once there, he lit it to correspond with the tradition of Olympics past . </P> <P> During the 2012 Summer Olympics in London, the cauldron located inside Olympic Stadium (London) was not visible from outside of the stadium . The image of the lit cauldron was projected on the stadiums rooftop screens during the first week of competition, and live footage was available to all broadcast right holders . See List of 2012 Summer Olympics broadcasters . </P> <P> Beginning at the post--World War I 1920 Summer Olympics, the lighting of the Olympic Flame was followed by the release of doves, symbolizing peace . (Experienced athletes brought newspapers to cover themselves because of the birds' droppings .) The release was discontinued after several doves perched themselves at the cauldron's rim and were burned alive in the Olympic Flame during the opening ceremony of the 1988 Summer Olympics . It was later replaced with a symbolic release of doves after the flame has been lit . </P> <P> In the 2000 ceremony, a dove image was projected on an enormous white cloth held by the athletes on the stadium floor . In 2004, an LED screen was used . In 2006, acrobats formed the shape of a dove . The 2008 ceremony had fireworks representing doves . In 2010, dove figures were projected on the stage floor . The 2012 ceremony had bicyclists with dove - wings, lit by LEDs . In the 2014 ceremony several dancers, holding strands of blue LED lights, danced on the shape of a dove projected on the stadium floor . In the 2016 ceremony, children with dove shaped kites were seen running with the first Olympic Laurel winner, Kipchoge Keino . </P>

What happens at the opening ceremony of the olympic games