Lights go out for Earth Hour

Hundred's of landmarks around the world will switch off their lights at 8.30pm local time as part of a global effort to shine a spotlight on climate change

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Great Wall of China switches off for Earth Hour

The Baldaling section of the Great Wall of China before Earth Hour Credit: REUTERS/Jason Lee

The Great Wall of China took part in this year's Earth Hour. Everyone around the world is asked to turn off lights for an hour from 8.30pm local time as a show of support for tougher action to confront climate change.

The Balding section of the Great Wall of China after Earth Hour Credit: REUTERS/Jason Lee

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