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.
Given below is the list of top 10 largest cities in the world based on the area in square kilometres. 10 a)guangzhou,china This city has a land area of 3,173sq km with a population of about 17,827,000 and located on Pearl River. It is the third largest city in China. Being the capital of Guangdong it is a center for manufacturing, transportation and trading since a long time also this city is best known for the annual canton fair. 10 b)SAO PAULO,BRAZIL