20世纪是中国从屈辱中奋起的世纪，21世纪将 是中国成为世界强国的世纪。 面对着这历史大转折，城市规划工作者也将面临着历史性的挑战，任重道远。全球城市化和中国即将步入城市化快速发展期，人类将跨过城市化的50％的关键点。发展中国家、新兴工业化国家的快速城市化，将面 The 20th century is the century that China has risen from humiliation. The 21st century will be the century when China will become a world power. In the face of this historic turning point, urban planners will also face historic challenges and a long way to go. As global urbanization and China are about to enter a period of rapid urbanization, humans will cross the key 50% of urbanization. The rapid urbanization in developing countries and newly industrialized countries will face