National Geographic: No country has changed so much, so fast as China. In one generation, it has gone from being largely agricultural to a country of megacities and bullet trains and, soon, the world's tallest skyscraper. The number of Chinese billionaires is growing faster than anywhere in the world, and this year the nation's GDP is expected to overtake that of the United States.
But last year China also executed more people than any other country and has imprisoned an estimated 1,300 political or religious prisoners....