In 1949, Mao Zedong announced the birth of the People's Republic of China, a proclamation to the world that, after centuries of war and social conflict, China had emerged as one nation. Since then, this idea has been propagated by broadcasts of marches and mass demonstrations of unity, designed for the benefit of the international community. For many living in the vast country, however, the old Chinese adage holds true: "the mountains are high and...