Dewey Decimal Classification - Children's Encyclopedia (Ages 8-11) The Dewey Decimal Classification (DDC) is a system for organizing the contents of a library. It is commonly known as the Dewey Decimal System. It helps people find nonfiction books on any subject in the library.
Top 10 Largest Cities in China. According to the related data and statistics of the 6th nationwide population census, the following cities are the Top 10 largest cities in China by urban resident population (exclude suburban, county and county-level city) in China. No. 1 Shanghai.
China has over 160 cities with a population of over one million, including the seven megacities (cities with a population of over 10 million) of Chongqing, Shanghai, Beijing, Guangzhou, Tianjin, Shenzhen, and Wuhan. By 2025, it is estimated that the country will be home to 221 cities with over a million inhabitants.