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.
It is People's Republic of China's largest city and one of the largest cities in the world. It covers an area of 6,340 square kilometers. It is one of the world's largest seaports and a major industrial center of China. Shanghai city proper population was 7 million people in 2010. More about Shanghai.