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An Extinction Rebellion protester demonstrates on the scaffolding surrounding the Elizabeth Tower, also known as the Big Ben, in London, Britain, on Oct. 18, 2019. (Photo by Stephen Chung/Xinhua)
An Extinction Rebellion protester demonstrates on the scaffolding surrounding the Elizabeth Tower, also known as the Big Ben, in London, Britain, on Oct. 18, 2019. (Photo by Stephen Chung/Xinhua)