Yes, I am aware that the Great Wall of China was built over 2,000 years ago and measures more than 13,000 miles. It is indeed impressive to think of the tremendous amount of labor and resources required to build such a colossal structure without modern technology. History never fails to fascinate us with its remarkable achievements.

Absolutely, the Great Wall of China stands as a testament to ancient ingenuity and human perseverance, showcasing the remarkable feats achievable through sheer determination and labor despite the lack of modern technological advancements.