The Great Wall of China is the world’s longest wall and biggest ancient architecture (the official length is 21,196.18 km). It has a stunning array of scenery from the beaches of Qinhuangdao, to rugged mountains around Beijing, to a desert corridor between tall mountain ranges at Jiayu Pass. The Great Wall is more than 2,300 years old. Here are 9 facts you should know to really appreciate the Great Wall.
#1. The Great Wall of China cannot be seen from space by the human eye without aid
The Great Wall is not a continuous line. There’s a pervasive misconception that the Great Wall of China is one long uninterrupted structure. In fact, the Wall is more accurately described as a 20,000-kilometer network of walls spanning the northern border of Ancient and Imperial Chinese territories. Source