The Forbidden City, situated in the very heart of Beijing. It is also called Zijin Cheng. It area is a 72-hectare (178 acres) palace complex that was used by the emperors of China from
A.D. 1420 to 1911.
The Great Wall spans more than two thousand years and traverses 5,000 kilometers. The Great Wall, like the Pyramids of Egypt, the Taj Mahal in India and the Hanging Garden of Babylon, is one of the great wonders of the world.