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Photo taken on Dec. 5, 2017 shows the interior seating of the new electric TX eCity taxi in London, Britain. London launched the new electric-powered black cabs on Tuesday. (Xinhua/Ray Tang)

Photo taken on Dec. 5, 2017 shows the interior seating of the new electric TX eCity taxi in London, Britain. London launched the new electric-powered black cabs on Tuesday. (Xinhua/Ray Tang)