The links listed here take one to sites that are related to the Great Wall of China - like there is a site that will take you on a virtual tour through the Great Wall of China, a site having information and photographs of the same. Then there is a site on the marathon held every year at the Great Wall of China and a site housing special Nasa radar images of the Great Wall.
The Great Wall Marathon is a vacation combining a marathon with a number of cultural visits. Even though you are not a marathoner yourself, you can still participate in this unique adventure. Know more about the marathon through this site. www.great-wall-marathon.com