The Great Wall of China.
Berlin wall
great wall of china
They say that because it wasn't always one long structure. Back then there were only sections of the wall to protect one place. Until an emperor ordered the people to connect it.
The great wall of China.
Great wall of China!
Great wall of china
The Qin/Chin Dynasty.
Yes a Retainer wall is a structure, that holds back earth.
It is a common myth that the Great Wall of China is visible from space with the naked eye. However, most astronauts have reported that it is not visible due to its narrow width. Other structures that are visible from space include major cities, highways, and large airports.
The Great Wall of China was built in the Qin (pronounced CHIN) dynasty.
The Great Wall of China is China's longest wall. The first portions of the wall were built in 220 BC, making it 2234 years old.