--About 75 kilometers (45 miles) northeast of Beijing City .

--It is one of the most famous and best preserved sections of the Great Wall .

--This section measures 2250 meters in length with 22 watchtowers which are tensely distributed along the Great Wall.

--It has a beautiful landscape all the year round. It has a beautiful landscape all the year round. Flowers bloom all over the mountains in spring .The dense woods and rich pastures cover hillsides in the summer. in winter , snow presents another attractive scene over the Great Wall.

--It was first built in Northern Qi Dynasty in 6th century. In the Ming Dynasty It was rebuilt in order to strengthen its defensive potential. It served as the northern protective screen, guarding the capital and imperial mausoleums for generations.