5 Intriguing Facts about The Great Wall of China:

5 Intriguing Facts about The Great Wall of China: The Great Wall of China is one of the most famous landmarks in the world, but did you know these fascinating facts about it? 🧵

1) The Great Wall of China is the longest in the world, stretching over 13,000 miles. It was originally built to protect China from invasions by northern nomadic tribes.

2) Contrary to popular belief, the Great Wall of China is not a single, continuous wall. It is a series of walls, fortifications, and watchtowers built over more than 2,000 years, from the 7th century BC to the Ming Dynasty (1368-1644 AD).

3) While the Great Wall of China is an impressive feat of engineering and one of the largest man-made structures on earth, it was not very effective as a defense against invaders. The wall failed to prevent the Mongols from invading China in the 13th century.

4) The Great Wall of China was designated a UNESCO World Heritage Site in 1987. It is one of the most visited tourist attractions in China, with millions of visitors each year.

5) The Great Wall of China has been used as a filming location for many movies and TV shows. Some of the most famous movies include "The Last Emperor," "Hero," and "Transformers: Age of Extinction.