Climbing mutianyu bravely

　　The great wall is must-see sight when you visit china. The great wall is China’s greatest engineering. The original wall was begun more than 2000 years ago during the Qin dynasty. The building of the Great Wall has three peak:Qin dynasty, Han dynasty, Ming dynasty. the Wall we can see is the Ming Great Wall.
　　Mutianyu great wall lies 90km northeast of Beijing in Huairou County, dates back an earlier Northern Qi dynasty. Mutianyu is famed for its Ming dynasty guard towers.With 25 towers, the Mutianyu great wall is impressive and manageable. If feeling tired , the wall has a cable car; a round trip takes eight minutes. If you like ,you can sweep down towards the foot of the Great Wall by huadao.(toboggan)