1) China is the most populous country in the world with over 1.3 billion people and the fourth largest country by area.
2) Chinese culture is ancient and influential, with many important inventions originating from China such as paper, printing, gunpowder, and the compass.
3) The Great Wall of China is the longest man-made structure in the world at over 6,000 km, and was built over 2,000 years ago to defend against northern invaders. An estimated 1 million people died constructing it.