Great wall of china

#summerdream Great wall of china The Great Wall of China, a wonder of the world • The Great Wall of China is a wall with forts in ancient China, built to protect against invasions by the Han or Xiongnu people. • Most of the wall that stands today was built during the Qin Dynasty. • The Great Wall of China is more than 21,196 kilometers long, covering 15 provinces across the country. • The Great Wall of China was listed as a World Heritage Site in 1987. • The Great Wall of China is one of the Seven Wonders of the Middle Ages.