The Great Wall
The Great Wall of China was built over more than two thousand years. Construction on the first section began between the 7th and 6th century BC, and the last work on the wall was done between the 14th and 17th centuries.
There are more than 10,000 watchtowers and beacon towers on the Great Wall They were used to house troops, store weapons and send signals in case enemies were seen approaching. Smoke signals were used in the day and fires were lit at night to communicate with other military outposts along the wall.
Some towers are standing complete and others are crumbling. Many have been rebuilt.
1 Mutianyu Great Wall
Mutianyu section is located in Huairou County, with a total length of 2250 meters and 22 towers to stop enemies. It has the biggest scale and highest quality of the Great Wall in the history. Many parts of Mutianyu are made up of granite. It is next to Gubeikou in the east and Juyongguan in the west. The best season to visit here is October. A cable car will take you up or down from the wall.
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