Therese M. Shea 
20 Fun Facts About the Great Wall of China [PDF ebook] 

The Great Wall of China has been an important symbol of Chinese culture for centuries. While it once served as a form of protection from enemies, today the Great Wall is one of the world’s most thrilling ancient tourist attractions. The informative text is paired with vivid photographs of the different sections of the wall, as well as helpful illustrations and graphic organizers.