Show of fireworks at the opening of the large traditional Christmas tree in the city of Sao Paulo. The structure is almost 60 feet tall and has more than 500 lamps and 264 000 stroble micro-LED lamps on December 9, 2012 in Sao Paulo, Brazil. (Photo by Levi Bianco/News Free/LatinContent/Getty Images)
Cities around the world turn on their Christmas trees lights.