In his toughest challenge so far, Ash takes on Eagle's Neck - a notoriously steep and dangerous section of the Great Wall of China. But first, he meets tech experts who've been helping to digitally map The Great Wall in an effort to protect it.
Adventurer Ash Dykes is travelling the length of the Great Wall of China. Along the way he'll meet the incredible people whose lives are part of the ancient, and ongoing, story that is The Great Wall.
