built to keep out invaders. The Great Wall spans nine provinces and its
total length is 6,700 km (3,948 miles).
The Great Wall extends from ShanHaiGuan (the 'Old Dragon Head'), a
seaport along the coast of BoHai, in the east (near BeiDaiHe resort) to
JiaYuGuan Pass in GanSu Province in the west. Like a giant dragon, the
Great Wall of China winds its way across grasslands, deserts and