The Great Wall of China, at 3,915 miles long, is the longest structure ever built by human beings. Construction of the wall began over 2,000 years ago. It was built in several different sections over many centuries by Ch... More »

China, known officially as the People's Republic of China, is the fourth-largest country in the world with a land area of over 3.7 million square miles. The capital city of China is Beijing, however, its most populated c... More »

China is home to more people than any other country in the world, with a population of 1.3 billion or about 20 percent of the world's population. China is also home to giant pandas, long-eared jerboas, white dolphins, As... More »

www.reference.com Geography Asia East Asia

The first formal measurement of the Great Wall of China in 2012 revealed that the wall is 13,17 miles long, a number that includes all of its branches. This is more than twice as long as previously thought based on histo... More »

Construction on The Great Wall of China was started in approximately 220 B.C. as a means to prevent barbarian nomads from invading the Chinese Empire. As it never effectively prevented invasions, the Great Wall came to s... More »

The Great Wall of China was not built in a single year. It was the work of many centuries, and smaller walls built in the Warring States Period, from 476 to 221 BC, were connected by Emperor Qin Shihuang as a front line ... More »

www.reference.com History Ancient History

The Great Wall of China extends over 8,850 kilometers from northeastern to north-central China, including trenches and mountains in addition to a collection of wall sections. The main series of walls stretches from Shanh... More »