Great Wall of China,one of the 7 wonders in the world (The Great Wall of China,Great Pyramid of Giza,The Colosseum in Rome,Machu Picchu,Taj Mahal,Hanging Gardens of Babylon,Statue of Zeus at Olympia) was built 2,500 years ago,more than 6000 kilometers(3500 miles).We offer Walking/Hiking tours for different sections of the Great Wall.