This book presents more than 200 elegant photo pictures of the Great Wall, which are taken by several famous photographers for many years of hardships. The author of this works, Mr.Dong Yaohui, is a celebrated expert in the Great Wall study and the Secretary General incumbent of the Great Wall Society. He investigated the Great Wall on foot, therefore in the book the location, feature, and status quo of each and every section of the Great Wall is described utterly exhaustively and accurately.