The Great Wall of China is one of the greatest wonders of the world. It is a series of fortifications made of stone, brick, tamped earth, wood, and other materials, generally built along an east-to-west line across the historical northern borders of China in part to protect the Chinese Empire or its prototypical states against intrusions by various nomadic groups or military incursions by various warlike peoples or forces. The Great Wall stretches over 5,500 miles and is visible from space.
History of the Great Wall
The earliest evidence of the Great Wall was discovered in the 7th century BC. Construction of the wall began in the 5th century BC by the state of Qi and further extended by successive dynasties. It took over 2000 years to build the Great Wall of China. During the Ming dynasty, the wall was renovated and rebuilt, and is the wall we see today.
What Can be Seen From Space?
The Great Wall of China is visible from space with the naked eye. Astronauts report that it looks like a white line, about 4 meters wide, snaking its way through the landscape. The Wall is visible from low Earth orbit, approximately 220 miles above the surface.
The Great Wall From Different Angles
The Great Wall looks different from different angles. From space, it looks like a long white line, but on the ground, it is much more complex. From the ground, the wall is made up of watchtowers, passes, fortifications, and defensive walls.
The Great Wall’s Significance
The Great Wall of China is a symbol of the Chinese people’s long history and civilization. It is also a symbol of Chinese people’s determination to defend their country and resist aggression. The Great Wall has been a source of pride for the Chinese people for centuries and is a reminder of the country’s rich cultural heritage.
Conclusion
The Great Wall of China is one of the world’s greatest wonders. It is a symbol of Chinese people’s long history and civilization, and a reminder of their determination to defend their country and resist aggression. The Great Wall is visible from space and looks like a long white line snaking its way through the landscape. It is made up of watchtowers, passes, fortifications, and defensive walls.
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