The Great Wall of China is about 2,300 years old. Since then, the wall has been repaired, maintained and rebuilt. The Great Wall of China is made of sections made of stone, brick, wood, and other things. It is built across the Chinese borders. The Great Wall of China was used to protect Chinese states and empires against the raids and invasions of various nomadic groups. Various states built their section of the wall to protect themselves from invasions from nomadic tribes. It was a huge defense line against enemies. The Great Wall of China was used for soldiers too. The soldiers would travel on the wall from one port to the other since the wall was wide and tall enough for people to walk on it. The most famous part of the wall was built
