Great Wall of China by Raphael and Jõao Pedro The wall began to be erected around 221 BC by order of the first Chinese emperor, Qin Shinuang The Great Wall is actually many, united to each other. Before the third century BC, China was divided into several areas; To protect themselves from enemies, each surrounded himself with a wall, this wall was a complete system of military defense during the cold season of weapons; It was rebuilt in the 15th and 16th centuries and completed 2400 km crossing of the country from east to west across the plains and mountains;

Great Wall of China Before the use of bricks, the Great Wall was mainly built from earth, stone and wood; For centuries, the Wall was known as the longest cemetery in the world. According to historians, each meter in some sections of the Great Wall, took the lives of three workers.