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.
The largest city by population in China is Shanghai. Home to 23 million people, Shanghai is also the worldâs most populous city. Located in the Yangtze River Delta in East China, Shanghai has an area of 2,448 square miles and a density of about 9,400 people per square mile.