Description

The Great Wall of China is the longest man made structure on earth. The Great Wall of China is made up of multiple walls not just one and it has a distance of  21 196.18 kilometers. The Great Wall of China was built in Northern China. It is more than 2,300 years old.  The Great Wall of China was opened in 206 BC. The Great Wall of China it is only 7,740 kilometers from Australia.