Photo taken on Nov. 23, 2012 shows the floating Christmas tree under construction in Rio de Janeiro, Brazil. This floating Christmas tree is 85 meters high and 542 tons in weight. (Xinhua/Weng Xinyang)

Photo taken on Nov. 23, 2012 shows a worker on the floating Christmas tree under construction in Rio de Janeiro, Brazil. This floating Christmas tree is 85 meters high and 542 tons in weight. (Xinhua/Weng Xinyang)