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 t...