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.
Beijing â The Capital of China. Urban Population: 18.8 million. As the capital of China, Beijing ranks as the top on the major cities in China. Reputed as the worldâs historical city and one of the top seven ancient capitals in China, Beijing has been the capital of China since Lioa Dynasty, 800 years till now.
Xi'an Xi'an, capital of Shaanxi Province, is the largest city in northwest China, with an urban population of 2.72 million. Originally known as Chang'an, Xi'an is a famous ancient city in China and was the starting point of the ancient Silk Road.