Actors on the Obelisk walls represent the sports of the Buenos Aires 2018 Youth Olympic Games during the Opening Ceremony of the Buenos Aires 2018 Youth Olympic Games at the Obelisk on October 6, 2018 in Buenos Aires, Argentina.

Paula Pareto ARG, Judo, and Santiago Lange ARG, Sailing, prepare to light the Youth Olympic cauldron during the Opening Ceremony of the Buenos Aires 2018 Youth Olympic Games at the Obelisk on October 6, 2018 in Buenos Aires, Argentina.

Photo released by the Olympic Information Services (OIS) of the International Olympic Committee (IOC) of an aerial view of the 9 de Julio avenue and the Obelisk during the Opening Ceremony of the Buenos Aires 2018 Youth Olympic Games at the Obelisk on October 6, 2018 in Buenos Aires, Argentina.

Actors on the Obelisk walls represent the sports of the Buenos Aires 2018 Youth Olympic Games during the Opening Ceremony of the Buenos Aires 2018 Youth Olympic Games at the Obelisk on October 6, 2018 in Buenos Aires, Argentina.

Young Argentine athletes carry the Youth Olympic torch to the main stage ahead of the lighting of the Youth Olympic Cauldron during the Opening Ceremony of the Buenos Aires 2018 Youth Olympic Games at the Obelisk on October 6, 2018 in Buenos Aires, Argentina.

View of the Obelisk of Buenos Aires with fireworks during the Opening Ceremony of the Buenos Aires 2018 Youth Olympic Games at the Obelisk on October 6, 2018 in Buenos Aires, Argentina.