What makes the Great Wall of China so extraordinary Megan Campisi and Pen Pen Chen

View full lesson: The Great Wall of China is a 13, 000mile dragon of earth and stone that winds its way through the countryside of China. As it turns out, the walls history is almost as long and serpentine as its structure. Megan Campisi and PenPen Chen detail the building and subsequent decay of this massive, impressive wall. Lesson by Megan Campisi and PenPen Chen, animation by Steff Lee.