We start off at 8:00, after about 2.5 hours driving we arrive at Jinshanling Great Wall. We walk for 30 minutes to Taochunkou tower. The Great Wall is acomplicated and well preserved fortification systems and possesses the largest number of watchtowers. These watch towers were made by huge bricks, 5-8 meters high, each one built in a different architectural style and every other one is about 50-100 meters away. Some of them are half-timbered, some are stone, some with one eave, some with two-eave. The roofs of the towers are many and varied, flat,arched, quadrangular or octagonal. It is an exemplary section of the Great Wall and hence comes the saying that the Jinshanling section is the most essential part of the 10,000-li Great Wall. Jinshanlin Great Wall has a strong military defence system. It includes barrier walls, crib walls, blockhouses, emplacements, watch-towers, stone-shooting windows, arrow-shooting holes,cavalry defense walls and so on, which making iteasier to defend. Keep walking towards east, after 3 to 3.5 hours hiking, reach the East 5-hole Guard Tower, then leave the Great Wall. In the end, we leave to a farmer’s restaurant. Hiking time is about 4.5hours.