This description covers the history and significance of China's Great Wall. Built over 2,000 years ago, the Great Wall of China is a series of fortifications made of stone, brick, tamped earth, wood, and other materials. It was constructed to protect the Chinese
China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's second-most populous country after India, with a population exceeding 1.4 billion, across an area of 9.6 million square kilometers (3,700,000 sq mi), making it the third-largest country by area. It is divided into 33 province-level divisions, including two special administrative regions. Beijing is the capital, while Shanghai is the most populous city by urban area. Its geography features the vast Central Plain, major rivers such as the Yangtze and Yellow River, deserts, subtropical and temperate forests, and mountain ranges such as the Himalayas.