Who cares about social responsibility and global warming when you can go all out with electricity-guzzling light displays to celebrate Christmas.

Forget tasteful trees dripping candles, ribbons and popcorn, this year some of the world’s biggest powers have opted for vast displays of twinkling lights, halogen bulbs, bright colours and oversized baubles.

From the kitsch-ness of London’s Carnaby Street to the world’s biggest floating Christmas tree in Brazil, we look at some of this year’s most ostentatious Christmas displays.

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