@dataracetktk: In 1991, 12 countries fell off this chart at the same time. The Soviet Union collapsed — and overnight, 12 republics went from having no freedom of expression, to having some. Watch the bars drop simultaneously. The most dramatic moment in 125 years of data. Then watch who stays at the top: North Korea. Never moved. Never will. #BarChartRace #History #FreeSpeech #DataVisualization #fyp