- Construction started in the Spring and Autumn Period about 770 - 476 BC and lasted until the Ming Dynasty which lasted 1368 - 1644 BC.

- It took over 2,000 years to build.

- It also took 1,000,000 men to build the Great Wall of China.

- Modern calculations estimate the cost to build the Great Wall of China to be approximately $360 billion.

The Great Wall of China