CHINA China, officially the People's Republic of China, is a country in East Asia and the world's most populous country, with a population of around 1.404 billion in 2017.Covering approximately 9,600,000 square kilometers, it is the third or fourth largest country by total area . Here are some facts abut china :- 1. Zhuhai-Macao Bridge China has the world's longest sea-crossing bridge . The Hongkong to Zhuhai-Macao bridge was opened to traffic in October 2018. 2. Great Wall of China Walk along parts of the over 8,850km/5,500 miles long Great Wall which once was the border of the old Chinese empire. The wall stretches across China from the Korean border into the Gobi desert. This is the longest wall in the world and newer archeological findings report that the entire defence works including the Great Wall and all its branches str