Professor Luo Zhewen, a Great Wall expert, once said: "The Great Wall is the best of the Chinese buildings and Simatai is the best of the Great Wall." With a touch of vibrantly colored autumn foliage, the Simatai Great Wall is putting its best foot forward this season. Join CGTN’s Zhao Wenjing for a tour of the Simatai Great Wall and nearby Gubei Watertown.