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.
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A protest against Black Friday sales, urging people to buy nothing at all instead, has attracted tens of thousands of supporters in the UK.
Republican presidential contender Donald Trump has been heavily criticised after appearing to mock a disabled reporter at a rally.
We currently have mild air for late November, but some cold air is on the horizon.