The lights are blazing from the world's largest floating Christmas tree -- a gigantic 85-metre high metal structure set on a lagoon in Rio de Janeiro, the city that will host the 2016 Olympic Games.

MARICÁ, Brazil (KTLA) — A 21-year-old man was killed when a 184-foot floating Christmas tree collapsed in Brazil ... roughly 25 miles east of Rio de Janeiro. In the video — seen at the ...

Why do we love Christmas trees ... In other words, Brussels' wood-and-steel abstract tree and Rio de Janeiro's 542-ton floating tree, though magnificent, won't appear on this list.